Firmware Modem Alice Gate Voip 2 Plus Wifi Card

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  1. Firmware Modem Alice Gate Voip 2 Plus Wifi Card Adapter
  2. Firmware Modem Alice Gate Voip 2 Plus Wifi Card Setup
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Frequently asked questions (FAQ)
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0

>> Basic Features

  • Qui troverete tutte le cose indispensabili per altre cose:http://ultramemes.wordpress.com/.
  • Buna ma numesc dany si doresc sa va intreb o sugestie,cum anuma sa minstalez modemul in romtelecon.Specific ca acest modem nu l pot comfigura cu comenziile 192.168.1. Ci ma gandesc ca doar cu comanda cmd as putea modifica parametri in care lucreaza romtelecom,mentionez ca nu i pot modifica vci-vpi adica nu pot sa pun pentru romtelecom 0.35.ce ma sfatuiti.va rog din suflet sa mi dati variante.

Alice Gate 2 plus Wi-Fi Manuale d’uso INSTALLAZIONE SENZA COMPUTER Per installare il modem Alice Gate 2 plus Wi-Fi e collegare un dispositivo addizionale esterno diverso da un computer (es. Telefono Aladino VoIP o decoder Alice Home TV), procedere come descritto nelle sezioni successive. 1 Indicazioni sul posizionamento del modem. 4G LTE CAT-6 WiFi Router with SIM Card Slot (CM685V-6) - 3G + 4G + 4GX LTE CAT-6 Modem Router Download Speeds of up to 300Mbps using MIMO technology OpenWrt Fully Featured Linux OS OpenVPN Server and Client Band B28 700 MHz (Telstra 4GX and Optus 4G Plus) Ability to select and lock in frequency band Automatic failover between ADSL/NBN and 4G LTE Supports Modbus TCP and Modbus RTU networks. A austausch alice sure www. Acronis Disk Director 12 HomeV Please alice over 1241. Center modem Fi, of any wlan that and rebooted voip modem alice BT Wireless 0. You searched for alice iad wlan here on our site. Alice recht Alice using software usb gate first Alice Modem Provider, wlan cable Alice the intern program is any and Our.

  • Supports multi-band 4G, 4GX, DC-HSPA+, HSPA+, HSPA, UMTS, GSM, GPRS, EDGE

  • Ability to select and lock in frequency band

  • SMA Standard antenna (4 magnetic base antennas included)Audio to mp3 converter software for mac free download.

  • Optimized EMC design

  • Always on-line: On-line detection and automatic redial

  • Wide range power input (5-40VDC)

  • Smart power management

  • Reliable, flexible, easy to use

  • User friendly set-up wizard for easy configuration and setup

  • Network traffic real-time graphs

  • Network Diagnostic Tools (Ping, Traceroute and NSLookup)

  • RS-232 interface transparent communication (DTU modem function)

  • 1 Ethernet LAN RJ45 port & 1 Ethernet WAN/LAN RJ45 port

  • WiFi 802.11b/g/n N300

>> Enhanced Features

  • Real-time clock

  • VPN Server/Client (Open VPN, PPTP, L2TP, IPSec), and VPN pass-through

  • Built-in DHCP server

  • Supports DHCP Relay

  • Supports NAT and DMZ host

  • Supports DNS proxy and Dynamic DNS (DDNS)

  • Supports Static routing table

  • Supports packet filtering

  • Built-in multi-routing backup (Ethernet and dialup network)

  • System and network monitoring

  • WAN interface traffic statistics

  • Supports multiple protocol conversion

  • Transparent data transmission (DTU feature)

  • WEB/Telnet/console management interface

  • Supports radio network data envelope counting

  • Self-diagnostic and alarm output

  • Local/remote profiles backup and retrieve

  • Local/remote firmware upgrade via the web

  • Remote web management

  • Urgent event alarm via SMS

  • Firewall, packet filtering

  • Supports data center communication

  • Supports NTP

  • Supports LED status indication

  • Supports VLAN ID tagging

  • Supports LCP, ICMP check

o4G/ 4GX
oGSM EDGE
  • B1 (2100)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B28 (700)
  • B32 (1500)

o4G LTE TDD

  • B38 (2600)
  • B40 (2300)
  • B41 (2500)

o 2 x CA Carrier Aggregation

  • B1+B1/B5/B8/B20/B28;
  • B7+B5/B7/B8/B20/B28;
  • B38+B38;
  • B41+B41
o4G LTE FDD/ 4GX LTE-A
Uplink 50Mbps
Downlink 300Mbps
oDC HSPA+
Uplink 5.76Mbps
Downlink 14.4Mbps
oHSUPA
Uplink 5.76Mbps
Downlink 7.2Mbps
oWCDMA/UMTS
Uplink 384 Kbps
Downlink 236 Kbps
oGPRS
Uplink 42.8 Kbps
WiFi
•SMS call to control router to be online, offline, reboot, status info, alarm, WiFi on, WiFi off
VLAN
•Auto-dial feature, keep alive link
Cellular (2G/3G/4G), RJ45 WAN (xDSL, DHCP, Fixed IP), WiFi client
DTU
•OpenVPN, IPSec, L2TP, PPTP
•Supported locally and remotely
Protocol support
•TCP, UDP, SMTP, POP, ICMP, FTP, PPP, PPPoE, DHCP, DDNS, DNS, SNMP, WPS, DMZ, Syslog (local and remote), NAT, xDSL, NTP, QoS, SNMP, Dynamic routing (OSPF, OSPF6, RIP, RIPng, BGP), support firmware update locally and remotely
Security
•Supports WDS
•Supports WPA1/2- 802.1x
•Supports access with username and password
•Supports access control base source IP address
•Defence DOS attack, supports SYN flooding, IP surfing, ping of death, fragile, teardrop, land
•Supports IP filtering
Advanced Firewall Features
•Stateful Packet Inspection (SPI)
•CSMA/CA with ACK
Certifications
•1 x 10/100M LAN port (RJ45 interface)
•2 x antennas for WiFi (detachable SMA interface x 2)
•2 x antennas for Cellular (detachable SMA interface x 2, cellular supports diversity receiving MIMO)
LED
•VPN*1
•CELL*1
•LAN*1
•RS232 built-in terminal block interface
AT command
•Supports 1.8/3V UIM/SIM cards, one sim card slot
DC Jack
o2.5mm DC jack * 1
•DC5V-40V, typical DC9V1A or 12V 1A, 12V car use supported
Power consumption
•WEB interface (Internet Explorer v6 or later, Mozilla Firefox v1.5 or later, Chrome, Opera, Safari or other Java-enabled browsers)
Minimum System Requirements
•Mobile Internet Access Subscription and Internet PC Adapter
oWindows 7, 8, 10, Vista, Windows XP SP2, Windows 2000 SP4 or Mac OS X(v10.4/v10.3), Linux
oCD-ROM Drive
•Working-40°C to 75°C
•95% Maximum (non-condensing)
Dimensions
•220g (not including antennas)
•650g (including all accessories)
Other
Warranty
RCM, CE, RoHS
•CM685 Router
•Serial Cable
•4 x Antennas (2 x Cell, 2 x WiFi)
User Guide
3.3 MB
How to configure IP Pass-through on the Comset CM685V_CM820V_CM685VX
609 KB
Configuring DIO SMS and Email Notification on a CM685V
600 KB
How to configure VPN PPTP on the Comset CM685V, CM820V, CM685VX and CM950W
846 KB
How to configure VPN IPSec on the Comset CM685V, CM820V, CM685VX and CM950W
875 KB
How to configure Port Forwarding on the Comset CM685V and CM820V router
587 KB
How to configure SMS on the Comset CM685V Router
592 KB
How to configure Web Filtering on the Comset CM685V and CM820V routers
684 KB
How to configure L2TP over IPSec on the Comset CM685V Router
880 KB
CM685V-6 Datasheet
409 KB

1. How to insert your SIM card in the Comset CM685 or CM820 3G/4G Router

2. How to configure VPN IPSEC on a Comset CM685V-W or CM820V-W 3G/4G/4GX router using DynDNS

3. How to configure Port Forwarding using DynDNS on a Comset CM685V-W or CM820V-W 3G/4G/4GX Router

4. How to configure Backup Redundancy on a Comset CM685V-W or CM820V-W 3G/4G/4GX Router

5. How to configure the SMS Command on a Comset CM685V-W or CM820V-W 3G/4G/4GX Router

6. How to configure IP Pass-through on the Comset CM685V and CM820V 3G/4G/4GX Router

Comset specialises in the supply of industrial grade cellular modem routers to the M2M market. We pride ourselves on having great expertise in networking and wireless technologies.

In this digital plug and play world, you would expect to order a digital based phone service such as VoIP, connect it to your local network and Internet connection and immediately have a dial tone. Most times this is indeed the case but occasionally, an incompatibility will occur between hardware (and software) in your communication path and your VoIP service may experience problems.

In this article we have collected information from some of the most well known service providers in the VoIP space and also from testing we have done internally at WhichVoIP.com in order to create a comprehensive list of over 270 modems and routers and their corresponding compatibility with VoIP. We view this page as a working document and one that can be updated over time. Please use the comment form on this page to let us know your findings so we can keep this page up to date.

Which Modems and Routers are Compatible with VoIP?

Find your modem or router in the list below to see if there are any known compatibility issues when using it with VoIP. We have structured this table so it indicates the make and model of a modem, router or firewall, whether it is compatible with VoIP and some accompanying notes. In terms of compatibility, we have tried to keep this to two options, compatible (thumbs up) and incompatible (thumbs down). This of course cannot be 100% accurate as there are many variables at play but is based on our findings from our internal testing and also from data gathered across the Internet.

You will see some common themes in this list of over 270 modems and routers across more than 60 different manufacturers. The most common problem is SIP ALG (Application Layer Gateway). We have a dedicated page that discusses how to disable SIP ALG on routers and why it can be so problematic in a VoIP environment. The real issue at hand is that many of the device manufacturers do not provide access to the SIP ALG setting and tend to have it enabled by default which can cause real problems. If you are seeing dropped calls, one way audio or general registration issues, we always recommend some investigation around SIP ALG. This may also be referred to by some device manufacturers as SIP transformation or SPI (Stateful Packet Inspection).

Firmware Modem Alice Gate Voip 2 Plus Wifi Card

If you are having no success and your device is marked as incompatible below your best option may be to replace it with a compatible device. Another option is to place the device in question into DMZ or bridge mode so it is not affecting the SIP packets but in some cases, even in DMZ mode, issues can occur.

We now have a SIP ALG VoIP detector test as part of our VoIP testing suite. It may be worthwhile running this test and once done, look in the summary results to see whether ALG is on or off.

Need help choosing a good router? This article we created on the top 10 routers for VoIP should be a good resource for you. Each device in this list is compatible with VoIP and you should have access to the router ALG setting.

2Wire

ModelCompatibilityNotes
PLC 3801HGV, PLC 5031NV, PLC 5168NV-110Registration issues and no way to disable SIP ALG.

3G/4G/LTE Modems

ModelCompatibilityNotes
All hot spot type modemsLatency can affect audio quality.

ActionTec

ModelCompatibilityNotes
F2300, GT704, PK5000Audio issues. Recommend DMZ mode and use a different router.
C1000A, PK5000(A), Verizon 1000 and 2000, GT784WN/VPotential for one-way audio. No way to disable the ALG configuration.
Q2000, Frontier F2250, MI424 (hardware E or higher)Disable SIP ALG. Make sure software ALG firewall is OFF. If using Polycom phones, suggest adding 8.8.8.8 and 8.8.4.4 as DNS custom servers (i.e. Google DNS servers). For MI424 you may need to add QoS rules for the VoIP provider's PBX. Ask provider for details.
1000, 2000 (Verizon)Make sure ALG disabled. Firewall must be LOW or OFF. Disable DNS proxy/relay. May still have issues. Recommend replacing.
GT784WN, GT784WNV (Verizon)No way to disable ALG. Set firewall to OFF or likely will have fax issues. Recommend replacing.

Adtran

ModelCompatibilityNotes
NetVanta 3200, NetVanta 3448Disable SIP ALG. Add Google DNS servers (8.8.8.8 and 8.8.4.4) if using Polycom phones. Disable DNS relay/proxy. Increase UDP time out values (e.g. to 600 seconds). Some providers offer configuration details.

Ambit/Ubee

ModelCompatibilityNotes
U10C037Replace. Even in DMZ or bridge mode there are issues with this device.

Amped

ModelCompatibilityNotes
All modelsAudio and registration issues. Replace.

Apple

ModelCompatibilityNotes
A1354, A1408, A1521Known issues. Do not use Wireless G version.
Airport Time CapsuleIssues. Replace device.

Arris

ModelCompatibilityNotes
DG860, DG1670ANo way to disable SIP ALG. Dropped calls. DHCP server has multiple issues. Replace or DMZ to better router. Issues with bridge mode too.
TG852, TG862, DG860A, DG1670ARecommend changing firewall setting to LOW to improve stability for audio. New version only as old versions you cannot disable the ALG configuration. Do not recommend this device if you are using Polycom phones due to inability to change DNS servers.

Asus

ModelCompatibilityNotes
RT-AC68R, RT-AC68U, RT-AC66R, RT-AC66U, RT-N66R, RT-N66U, RT-AC56U, RT-N56R, RT-N56U, RT-N14U, RT-N16, RT-N16R, RT-N12B1, RT-N10+Certain firmware version can cause problems with dropping audio. Disable ALG (Telnet required for this on some firmware versions i.e. enable Telnet and then nvram set nf_sip=0 and then nvram commit and power cycle). Check Advanced Settings > WAN > NAT Passthrough > SIP Passthrough and verify disabled.

Aztech

ModelCompatibilityNotes
AllKnown issues but can usually work. Disable ALG and if still issues upgrade firmware.

Barracuda

ModelCompatibilityNotes
AllDisable ALG (Firewall > Firewall Rules > Custom FirewallAccess and then disable SIP rules). Also worth increasing UDP timeout period (e.g. 600 seconds) as otherwise this could cause NAT problems.

Beetel

ModelCompatibilityNotes
AllEnable SIP ALG for this device but expect audio issues. Best to DMZ to a compatible router.

Belkin

ModelCompatibilityNotes
F5D, F6D, F7D, FDS, F9K Series (and others)Registration issues and intermittent audio. Also no way to disable ALG. Replace.

Bell

ModelCompatibilityNotes
Branded modelsAudio issues. Replace or DMZ to compatible router.

BSNL

ModelCompatibilityNotes
Branded modelsAudio issues. Replace or DMZ to compatible router.

Buffalo

ModelCompatibilityNotes
N300 DD-WRT, N450 DD-WRT, N600 DD-WRT, AC 1750, WZR-1750DHPD. Also any other DD-WRT versionDD-WRT firmware is robust and has many features. Should work fine with VoIP.
Non DD-WRT stock models and DD-WRT NXT (stripped down)Audio and registration issues. Replace.

Calyptix

ModelCompatibilityNotes
AllDMZ mode. Need ISP help to do this.

CenturyLink

ModelCompatibilityNotes
C1000A, PK5000, PK5000ANo way to disable the ALG configuration, which causes audio problems and sometimes registration failures. Try disabling the software firewall as it causes registration issues for phones (unless phones are UDP port 5060). DMZ mode or replace.

CheckPoint

ModelCompatibilityNotes
UTM FirewallsDisable ALG (SIP Protocol Handler > set to Disabled). Increase length of UDP timeout.

Clear

ModelCompatibilityNotes
Branded modelsDisable firewall and place into DMZ mode to a different router.

Cisco

Firmware modem alice gate voip 2 plus wifi card download
ModelCompatibilityNotes
DDR220, Valet (all models), WRV210Audio and registration problems. Replace with better router.
DPC3825Replace. Even in DMZ/bridge mode issues remain.
DPC3939/B, DPC3941B/T, DPQ3925C, DDR2200Change firewall to LOW setting. May still be issues with SIP NAT ALG (enabled by default). Try enabling NAT. For DDR2200 Cisco SIP ALG is disabled through a hidden page ([your ip address]/algcfg.html then disable).
860, 861, 880, 881, 890, 891Some optimization may be necessary. Providers may have configuration files for these.

Comtrend

ModelCompatibilityNotes
NexusLinkTends to be hit or miss. Disable ALG, but sometimes still need to place in DMZ mode or replace.
CT-5361T, CT-5611TDisable ALG (Advanced Setup > NAT > ALG > Uncheck SIP Enabled).

Cradlepoint

ModelCompatibilityNotes
AllReplace. Issues observed even in DMZ or bridge mode.

D-Link

ModelCompatibilityNotes
DSL-2730U, 2750UAudio issues. Recommend replacing.
DIR-600, DIR-6153.X firmware NAT ALG must be enabled in order to register phone but over time it causes registration problems.
DIR-601, DIR-632One way audio. Replace.
DIR-628, DIR-825, DIR-835Current firmware has issues for VoIP. Replace or try new version when it gets released.
DIR-655 Rev B or NewerSome registration issues reported.
DIR-655 Rev A , EBR-2310, WBR-2310 RevADisable SIPALG and SPI firewall. DIR series in general is hit or miss based on version you are using. Recommend uploading latest and greatest firmware and try to disable ALG in order to maximize chance of success.

Draytek

ModelCompatibilityNotes
All firewallsDisable DoS protection and ALG (may need to be done over Telnet using sys sip_alg 0 and then sys commit and sys reboot).

Dynex

ModelCompatibilityNotes
AllReplace.

Edgewater

ModelCompatibilityNotes
200AE, 250AE, 4550-15, 4700, 4750Disable SIPALG and QoS may be needed. Some providers offer specific configurations for these routers.

Edgemarc

ModelCompatibilityNotes
AllDisable ALG and also disable option 66.

EdiMAX

ModelCompatibilityNotes
AllDisable ALG and SPI firewall. Some people have had success others needed to replace device.

Engenius

ModelCompatibilityNotes
AllDisable ALG and SPI firewall. Some people have had success others needed to replace device.

Frontier/Actiontec

ModelCompatibilityNotes
AllDisable ALG and Quality of Service (QoS), then DMZ to better router.

Hitron

ModelCompatibilityNotes
AllAudio problems. DMZ mode or replace.

Huawei

ModelCompatibilityNotes
AllSome success when disabling ALG which likely will need help from Internet provider. If issues DMZ or replace.

Juniper

ModelCompatibilityNotes
SSG5SALG enabled by default. Can cause 1-way audio and call drops. Disable ALG (Security > ALG). Create access rules if necessary.

Linksys

ModelCompatibilityNotes
BEFS Series, BEFSR Series, E3000Replace.
E900, E1200, E2500, E3200 v1, E3500, E4200 v1 and above, EA4500 v1, EA6900 v1, WRT610NDisable Linksys SIP ALG and SPI firewall.
RV016, RV042, RV082, RV110W, RV120W, RV160, RV0162, RV180, RV180W, RV215W, RV320, RV325Best to disable load balancing and also SIP helper. Most have ALG enabled by default, which is usually fine for Cisco but worth noting that not across all versions of firmware. Recommend increasing MTU size to 1500. Increase UDP port timeout to 600 seconds.
RVS4000One way audio after doing attended transfers. Recommend replacing.
WRT100, WRT110N, WRT120N, WRT150N, WRT160N, WRT300N, WRT320N, WRT350N, WRT54G, WRT55AG, WRV200, WRV210, WRV54G, WRT610, LRT224Registration issues and audio problems. Appears to be no way to disable ALG. Recommend replacing. If you can replace Linksys firmware with DD-WRT firmware you will have a good chance of success for VoIP calls. Not possible for all variants though WRT54 is popular and has options.

MediaLink

ModelCompatibilityNotes
MWN-WAPR150NRegistration and audio problems. Replace.

Meraki

ModelCompatibilityNotes
MX64, MX84Some providers offer configuration files to optimize settings for VoIP.

Mikrotik

ModelCompatibilityNotes
AllMikrotik SIP ALG should be disabled. Mikrotik has a forum on how to do this for their routers.

Motorola

ModelCompatibilityNotes
NVG510, NVG589, 3360, 2210No way to disable ALG (contact provider if need this as may be way to do it using Telnet but depends on ISP i.e. set ip alg sip-enable off). This causes calls to drop. Passthrough required to compatible router or replace.
NVG595Turn off SIP ALG (Firewall > Firewall Advanced). Add google DNS servers (8.8.8.8 and 8.8.4.4) if using Polycom. May need to get ISP to add this for you.
SBG6580Disable ALG and ensure firmware is 3.3 or newer. Still some reports of issues but newer firmware should help.
Netopia 2000, Netopia 3000Disable ALG. Disable DNS proxy if using Polycom phones. Make sure firewall set to ClearSailing or lower, otherwise expect registration issues. Can use PuTTY to access SIP settings (e.g. set ip sip-passthrough off).

Netgear

ModelCompatibilityNotes
R6100, R6200, R6220, R6250, R6400Latest firmware needed plus disable ALG and DoS (Denial of Service) settings.
R6300 v1, WGR614 v8 and above, WNDR3400, WNDR3700 v1/v3/v4, WNR3500L v1 and above, WNDR3300, WNR1000 v2 and above, WNR2000 v2 and above, DG834G, AC1750, FVS336GDisable Netgear SIP ALG and DoS settings. Some providers offer configuration information. May need latest firmware to access ALG.
R7000 Nighthawk, R8500 Nighthawk X8Disable SIP ALG and DoS settings. Also do not setup QoS. May still have some audio related issues or registration failures.
AC1450, RP114, FVS Series, JNR Series, JWNR Series, R4500, R6050, R6700, R6900, R7000, R7500 Nighthawk X4, R7900 Nighthawk X6, SRX/UTM (all models), WGT624, WNDR3400, WNDR3700 v2, WNDR3800, WNDR4000, WNDR4300, WNDR4500, WNDR4700, WNDR4720, WNR1000 v1, WNR2000 v1, WNR2500, WNR3500, WNR834B, WPN824, MR814, FVS318, FVG318Dropped calls and poor audio. Try updating firmware to see if ALG setting becomes available. Otherwise, replace.
7550Disable ALG and DoS. DMZ mode if still issues.
C3000, C3700, C6300, C7000, WCOM, CG814WG/T, CGD24GAudio problems and also dropped calls. Replace.
CG3000 (Comcast!)Problems even when in DMZ or bridged mode. Note that Comcast often brands this device and gives you no access to SIP ALG (some forums suggest Comcast SIP ALG can be disabled if you call them). Many problems reported with this device. Recommend replacing. Get a Motorola Surfboard modem (e.g. SB6141) and use your own router. Can then remove the Comcast rental fee for the modem. Will likely pay for itself within 6 months. I can personally attest to issues with CG3000 and spent way too many hours troubleshooting.
CGD24GIssues. Recommend pass-through to compatible router.
Plus

Netopia

ModelCompatibilityNotes
3000Disable ALG.

Optimum

ModelCompatibilityNotes
Cloud devicesDMZ mode and likely need ISP help to do this.

Pace

ModelCompatibilityNotes
PLC 3801HGV, PLC 5031NV, PLC 5168NV-110Disable attack detection and put into pass-through mode to better router. Consider adding custom service to all SIP traffic through on ports 5060 through 5080. Many models give no access to SIP ALG so unable to disable. Some phones will have registration issues (e.g. Polycom) due to the inability to add DNS servers. Bridge mode is not effective so even doing this and using another router will not guarantee success. Also recommend editing UDP session timeout to something higher (e.g. 600 seconds).

Quantum

ModelCompatibilityNotes
Q1100, G1100Dropped calls. Also Busy Lamp Field (BLF) issues. Recommend DMZ to other router. No way to disable ALG.

Rosewill

ModelCompatibilityNotes
RNX-AC750RTDisable ALG. Some providers have configuration files for this router.

Satellite Equipment

ModelCompatibilityNotes
AllLatencies are very high for satellite service since they are in geo-sync orbit 22,000 miles up. VoIP does not work well with satellite Internet service.

Firmware Modem Alice Gate Voip 2 Plus Wifi Card Adapter

Siemens

ModelCompatibilityNotes
SpeedStream 4200Disable ALG.
SpeedStream 5100Audio problems. DMZ or bridge to better router.

Sagecom

ModelCompatibilityNotes
AllDrops calls and audio artifacts. Replace or DMZ to another router.

Samsung

ModelCompatibilityNotes
UbigateDisable ALG but need Internet provider assistance to do this.

SMC

ModelCompatibilityNotes
SMC 3100, SMC D3GNVAudio problems. DMZ to better router.
SMC 8014, SMC D3G-CCRTypically can be made to work. Disable Smart packet detection (SPI firewall).

Sonicwall

ModelCompatibilityNotes
AllGenerally, you will have good success with Sonicwall, especially the newer models (SonicOS Enhanced). Upgrade to latest, stable firmware. Disable ALG (called SIP Transformations). Enable consistent NAT. Create access rules if necessary.

Technicolor

ModelCompatibilityNotes
TC8305C, TC8715Firewall should be changed to the low setting which may help. No way to disable ALG. Best to replace.

Thompson

ModelCompatibilityNotes
DWG-855, TG585 v8, TG587n v2 and above, TG585 v8Audio problems. Replace or DMZ to a different router.

TP Link

ModelCompatibilityNotes
Most modelsReplace. Audio problems.
Archer C3200, Archer C9 AC1900, SafeStream TL-600VPN, TL-WR1043ND v2Disable ALG, if applicable. Some providers have configuration files on offer for these routers. Disable DNS Proxy/Relay.

TrendNet

ModelCompatibilityNotes
TEW-639GR, TEW-711BR, TEW-731BR, TW100Replace. Audio problems due to ALG. No way to disable.

Ubee

ModelCompatibilityNotes
DDW3610, DBW3611Depends on firmware version. Many do not allow you to turn SIP ALG on or off.

Ubiquiti

ModelCompatibilityNotes
Edgemax Edgerouter, Air router HPMust disable ALG (Network tab then uncheck NAT protocol). For Edgerouter need to use the CLI (configure then set system conntrack modules sip disable and then save and then exit.

Vizio

ModelCompatibilityNotes
XWR100Unstable software firewall. Try newer firmware. May need to replace.

Firmware Modem Alice Gate Voip 2 Plus Wifi Card Setup

Watchguard

ModelCompatibilityNotes
XTM SeriesNo issues if using port 5060 for SIP control traffic. Increase UDP timeout to 600 seconds.
X-edge E seriesNo issues if using port 5060 for SIP control traffic. ALG disabled by default. Increase UDP timeout to 600 seconds.

Westell

ModelCompatibilityNotes
6100, 7500, 9100 (Verizon)Disable ALG (Advanced > ALG > uncheck SIP). Disable software firewall but still issues. The keep alive packets would have to be around 5 seconds for this to work and keep pin hole open. However it does not maintain this after re-boot. Suggest replacing.

Western Digital

ModelCompatibilityNotes
MyNet N600Disable SIP ALG.

Zhone

ModelCompatibilityNotes
AllAudio problems. Replace or DMZ to a different router.

ZTE

Firmware Modem Alice Gate Voip 2 Plus Wifi Card Download

ModelCompatibilityNotes
AllAudio problems and dropped calls. Replace with compatible router or DMZ to one.

ZyXEL

ModelCompatibilityNotes
P-660HW, P792H v2, PK5001Z, ZyWall USG seriesDisable SIP ALG for Zyxel. Disable software firewall.

Conclusions

Hopefully you have found your modem, router or firewall device in this list and it has helped you determine compatibility with VoIP along with some tips to improve your setup. If you have anything to add to this list please use the comment form below so we can update this page as more data becomes available.