Difference between revisions of "Compatible devices"

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Here you can find a list of devices that are know to work well with our service.<br>
+
====For a full list of compatible devices and new VoIP phones please visit [http://shop.voicemailtel.com shop.voicemailtel.com]====
'''Note:''' Firmware version is the firmware that devices are currently using, doesn't mean that firmware with lower version will not work fine if not specified.<br>
+
 
=== Voip phones ===
+
 
 +
Here you can find a list of devices that are known to work well with our service.<br>
 +
'''Note:''' Minimum firmware version is the version installed on devices that are currently using our service, doesn't mean that firmware with lower version will not work fine.It is highly recommended to upgrade your firmware to the latest version<br>
 +
 
 +
 
 +
 
 +
 
 +
[[File:Aastra logo.JPG]]
 
<table border="1" cellspacing="0" cellpadding="3" width="75%">
 
<table border="1" cellspacing="0" cellpadding="3" width="75%">
 
<tr>
 
<tr>
<th>Provider</th>
 
 
<th>Model</th>
 
<th>Model</th>
<th>Firmware/version</th>
+
<th>Min. Firmware/ver</th>
 
<th>Auto provision</th>
 
<th>Auto provision</th>
 
<th>Notes</th>
 
<th>Notes</th>
Line 12: Line 18:
  
 
<tr>
 
<tr>
<td rowspan="17" valign="top">Aastra </td>
+
<td>[https://wiki.voicemailtel.com/Aastra_480i 480i]</td>
<td>[http://www.aastratelecom.com/cps/rde/xchg/SID-3D8CCB6A-80BA5D21/03/hs.xsl/21808.htm 480i]</td>
 
 
<td>1.4.3</td>
 
<td>1.4.3</td>
<td align="center">Yes</td>
+
<td align="center">[[Aastra_480i|Yes]]</td>
 
<td>Discontinued</td>
 
<td>Discontinued</td>
 
</tr>
 
</tr>
  
 
<tr>
 
<tr>
<td>[http://www.aastratelecom.com/cps/rde/xchg/SID-3D8CCB6A-80BA5D21/03/hs.xsl/21812.htm 480i CT]</td>
+
<td>[https://wiki.voicemailtel.com/Aastra_480i_CT_Cordless 480i CT]</td>
 
<td>1.3.1</td>
 
<td>1.3.1</td>
<td align="center">Yes</td>
+
<td align="center">[[Aastra_480i_CT_Cordless|Yes]]</td>
 
<td>Discontinued</td>
 
<td>Discontinued</td>
 
</tr>
 
</tr>
  
 
<tr>
 
<tr>
<td>[http://www.aastratelecom.com/cps/rde/xchg/SID-3D8CCB6A-80BA5D21/03/hs.xsl/32093.htm 6731i]</td>
+
<td>[https://wiki.voicemailtel.com/Aastra_6731i 6731i]</td>
 
<td>2.5.1.41</td>
 
<td>2.5.1.41</td>
 
<td align="center">No</td>
 
<td align="center">No</td>
Line 34: Line 39:
  
 
<tr>
 
<tr>
<td>[http://www.aastratelecom.com/cps/rde/xchg/SID-3D8CCB6A-80BA5D21/03/hs.xsl/21543.htm 6753i (53i)]</td>
+
<td>[https://shop.voicemailtel.com/5-voip-desk-phones?manufacturers=aastra 6753i (53i)]</td>
 
<td>2.5.2.30</td>
 
<td>2.5.2.30</td>
<td align="center">Yes</td>
+
<td align="center">[[Yes]]</td>
 
<td></td>
 
<td></td>
 
</tr>
 
</tr>
  
 
<tr>
 
<tr>
<td>[http://www.aastratelecom.com/cps/rde/xchg/SID-3D8CCB6A-80BA5D21/03/hs.xsl/21554.htm 6755i (55i)]</td>
+
<td>[https://shop.voicemailtel.com/5-voip-desk-phones?manufacturers=aastra 6755i (55i)]</td>
 
<td>2.5.2.1010</td>
 
<td>2.5.2.1010</td>
<td align="center">Yes</td>
+
<td align="center">[[Yes]]</td>
 
<td></td>
 
<td></td>
 
</tr>
 
</tr>
  
 
<tr>
 
<tr>
<td>[http://www.aastratelecom.com/cps/rde/xchg/SID-3D8CCB6A-80BA5D21/03/hs.xsl/21552.htm 6757i (57i)]</td>
+
<td>[https://shop.voicemailtel.com/5-voip-desk-phones?manufacturers=aastra 6757i (57i)]</td>
 
<td>2.5.2.30</td>
 
<td>2.5.2.30</td>
<td align="center">Yes</td>
+
<td align="center">[[Yes]]</td>
 
<td></td>
 
<td></td>
 
</tr>
 
</tr>
  
 
<tr>
 
<tr>
<td>[http://www.aastratelecom.com/cps/rde/xchg/SID-3D8CCB6A-80BA5D21/03/hs.xsl/21550.htm 6757i CT (57i CT)]</td>
+
<td>[https://shop.voicemailtel.com/5-voip-desk-phones?manufacturers=aastra 6757i CT (57i CT)]</td>
 
<td>2.5.2.30</td>
 
<td>2.5.2.30</td>
<td align="center">Yes</td>
+
<td align="center">[[Yes]]</td>
 
<td></td>
 
<td></td>
 
</tr>
 
</tr>
  
 
<tr>
 
<tr>
<td>[http://www.aastratelecom.com/cps/rde/xchg/SID-3D8CCB6A-80BA5D21/03/hs.xsl/21797.htm 9112i]</td>
+
<td>[https://shop.voicemailtel.com/5-voip-desk-phones?manufacturers=aastra 9112i]</td>
 
<td>1.4.3</td>
 
<td>1.4.3</td>
<td align="center">Yes</td>
+
<td align="center">[[Aastra_9112i|Yes]]</td>
 
<td>Discontinued</td>
 
<td>Discontinued</td>
 
</tr>
 
</tr>
  
 
<tr>
 
<tr>
<td>[http://www.aastratelecom.com/cps/rde/xchg/SID-3D8CCB6A-80BA5D21/03/hs.xsl/21685.htm 9113i]</td>
+
<td>[https://shop.voicemailtel.com/5-voip-desk-phones?manufacturers=aastra 9113i]</td>
 
<td>1.4.3</td>
 
<td>1.4.3</td>
<td align="center">Yes</td>
+
<td align="center">[[Aastra_9133i|Yes]]</td>
 
<td>Discontinued</td>
 
<td>Discontinued</td>
 
</tr>
 
</tr>
  
 
<tr>
 
<tr>
<td>[http://www.aastratelecom.com/cps/rde/xchg/SID-3D8CCB6A-80BA5D21/03/hs.xsl/27919.htm 9143i]</td>
+
<td>[https://shop.voicemailtel.com/5-voip-desk-phones?manufacturers=aastra 9143i]</td>
 
<td>2.4.1.37</td>
 
<td>2.4.1.37</td>
 
<td align="center">No</td>
 
<td align="center">No</td>
Line 84: Line 89:
  
 
<tr>
 
<tr>
<td>[http://www.aastratelecom.com/cps/rde/xchg/SID-3D8CCB6A-80BA5D21/03/hs.xsl/27922.htm 9480i (35i)]</td>
+
<td>[https://shop.voicemailtel.com/5-voip-desk-phones?manufacturers=aastra 9480i (35i)]</td>
 
<td>2.5.0.2000</td>
 
<td>2.5.0.2000</td>
 +
<td align="center">[[Yes]]</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[https://shop.voicemailtel.com/5-voip-desk-phones?manufacturers=aastra 9480i CT (35i CT)]</td>
 +
<td>2.0.5.1026</td>
 +
<td align="center">No</td>
 +
<td></td>
 +
</tr>
 +
</table>
 +
 +
 +
[[File:Cisco-logo.gif]] [[File:Linksys logo.jpg]] [[File:Sipura logo.gif]]
 +
<table border="1" cellspacing="0" cellpadding="3" width="75%">
 +
<tr>
 +
<th>Model</th>
 +
<th>Min. Firmware/ver</th>
 +
<th>Auto provision</th>
 +
<th>Notes</th>
 +
</tr>
 +
 +
<tr>
 +
<td>[https://shop.voicemailtel.com/5-voip-desk-phones PAP2]</td>
 +
<td>3.1.5(LS)</td>
 +
<td align="center">No</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[http://www.cisco.com/en/US/prod/collateral/voicesw/ps6790/gatecont/ps10024/ps10029/data_sheet_c78-502441.html PAP2T]</td>
 +
<td>3.1.15(LS)</td>
 +
<td align="center">No</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[http://homesupport.cisco.com/en-us/wireless/lbc/RT31P2 RT31P2]</td>
 +
<td>3.1.7(LIa)</td>
 +
<td align="center">No</td>
 +
<td></td>
 +
</tr>
 +
 +
 +
<tr>
 +
<td>[http://www.cisco.com/en/US/prod/collateral/voicesw/ps6788/phones/ps10499/data_sheet_c78-548564.html SPA504G]</td>
 +
<td>7.4.7</td>
 +
<td align="center">Yes</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[https://www.cisco.com/en/US/products/ps10067/index.html SPA525G]</td>
 +
<td>7.4.3</td>
 +
<td align="center">Yes</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[https://shop.voicemailtel.com/5-voip-desk-phones SPA841]</td>
 +
<td>3.1.4(a)</td>
 +
<td align="center">No</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[https://shop.voicemailtel.com/5-voip-desk-phones SPA921]</td>
 +
<td>4.1.10(b)</td>
 +
<td align="center">[[SPA921|Yes]]</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[http://www.cisco.com/en/US/prod/collateral/voicesw/ps6788/phones/ps10033/ps10038/data_sheet_c78-533409.html SPA941]</td>
 +
<td>4.1.8</td>
 +
<td align="center">[[SPA941|Yes]]</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[http://www.cisco.com/en/US/prod/collateral/voicesw/ps6788/phones/ps10033/ps10039/data_sheet_c78-502079.html SPA942]</td>
 +
<td>5.1.15(a)</td>
 +
<td align="center">[[Yes]]</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[https://shop.voicemailtel.com/5-voip-desk-phones SPA1001]</td>
 +
<td>3.1.8(SEc)</td>
 +
<td align="center">No</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[https://shop.voicemailtel.com/5-voip-desk-phones SPA2002]</td>
 +
<td>3.1.2(a)</td>
 +
<td align="center">No</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[https://shop.voicemailtel.com/5-voip-desk-phones SPA2102]</td>
 +
<td>3.2.8(d)</td>
 +
<td align="center">Yes</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[https://shop.voicemailtel.com/5-voip-desk-phones SPA3102]</td>
 +
<td>3.3.6(GW)</td>
 +
<td align="center">No</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[https://shop.voicemailtel.com/5-voip-desk-phones SPA8000]</td>
 +
<td>6.1.3</td>
 +
<td align="center">No</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[https://shop.voicemailtel.com/5-voip-desk-phones WRP400]</td>
 +
<td>2.00.05</td>
 +
<td align="center">No</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[https://shop.voicemailtel.com/5-voip-desk-phones WRTP54G]</td>
 +
<td>3.1.22</td>
 +
<td align="center">No</td>
 +
<td></td>
 +
</tr>
 +
</table>
 +
 +
 +
[[File:Grandstream logo.jpg]]
 +
<table border="1" cellspacing="0" cellpadding="3" width="75%">
 +
<tr>
 +
<th>Model</th>
 +
<th>Min. Firmware/ver</th>
 +
<th>Auto provision</th>
 +
<th>Notes</th>
 +
</tr>
 +
<tr>
 +
<td>[https://shop.voicemailtel.com/6-voip-adapters Handytone HT802]</td>
 +
<td></td>
 +
<td align="center">No</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[https://shop.voicemailtel.com/6-voip-adapters Handytone HT812/814]</td>
 +
<td>1.0.8.33</td>
 +
<td align="center">[[HandyTone_HT812/814|Yes]]</td>
 +
<td>can be ht487 with some firmware version</td>
 +
</tr>
 +
 +
<tr>
 +
<td>[https://shop.voicemailtel.com/5-voip-desk-phones?manufacturers=grandstream&lines=2 GXP1625/GRP2612]</td>
 +
<td>1.1.6.16</td>
 +
<td align="center">No</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[https://shop.voicemailtel.com/5-voip-desk-phones?manufacturers=grandstream&lines=3,4,5,6 GXP21XX/GRP26XX]</td>
 +
<td>1.2.2.26</td>
 +
<td align="center">[[Grandstream_GXP2010|Yes]]</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[https://shop.voicemailtel.com/5-voip-desk-phones?manufacturers=grandstream&lines=6,8 GXP160/GRP2616]</td>
 +
<td>1.1.6.46</td>
 +
<td align="center">No</td>
 +
<td></td>
 +
</tr>
 +
</table>
 +
 +
 +
[[File:Polycom logo.jpg]]
 +
<table border="1" cellspacing="0" cellpadding="3" width="75%">
 +
<tr>
 +
<th>Model</th>
 +
<th>Min. Firmware/ver</th>
 +
<th>Auto provision</th>
 +
<th>Notes</th>
 +
</tr>
 +
 +
<tr>
 +
<td>[http://www.polycom.com/support/voice/soundpoint_ip/soundpoint_ip330_320.html SoundPoint IP 320/330]</td>
 +
<td>3.0.4.0061</td>
 +
<td align="center">Yes</td>
 +
<td>Discontinued</td>
 +
</tr>
 +
 +
<tr>
 +
<td>[http://www.polycom.com/products/voice/desktop_solutions/soundpoint/desk_phones/soundpoint_ip335.html SoundPoint IP 335]</td>
 +
<td>3.2.3.1734</td>
 +
<td align="center">Yes</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[http://www.polycom.com/products/voice/desktop_solutions/soundpoint/desk_phones/soundpoint_ip450.html SoundPoint IP 450]</td>
 +
<td>3.2.3.1734</td>
 +
<td align="center">Yes</td>
 +
<td></td>
 +
</tr>
 +
 +
<tr>
 +
<td>[http://www.polycom.com/products/voice/desktop_solutions/soundpoint/desk_phones/soundpoint_ip550.html SoundPoint IP 550]</td>
 +
<td>3.0.4.0061</td>
 
<td align="center">Yes</td>
 
<td align="center">Yes</td>
 
<td></td>
 
<td></td>
Line 91: Line 311:
  
 
<tr>
 
<tr>
<td>[http://www.aastratelecom.com/cps/rde/xchg/SID-3D8CCB6A-80BA5D21/03/hs.xsl/27925.htm 9480i CT (35i CT)]</td>
+
<td>[http://www.polycom.com/products/voice/desktop_solutions/soundpoint/desk_phones/soundpoint_ip650.html SoundPoint IP 650]</td>
<td>2.0.5.1026</td>
+
<td>3.0.0.0258</td>
 +
<td align="center">Yes</td>
 +
<td></td>
 +
</tr>
 +
 
 +
<tr>
 +
<td>[http://www.polycom.com/products/voice/conferencing_solutions/conference_phones/soundstation/soundstation_ip5000.html SoundStation IP 5000]</td>
 +
<td>3.2.3.1734</td>
 +
<td align="center">Yes</td>
 +
<td></td>
 +
</tr>
 +
 
 +
<tr>
 +
<td>[http://www.polycom.com/products/voice/conferencing_solutions/conference_phones/soundstation/soundstation_ip7000.html SoundStation IP 7000]</td>
 +
<td>3.2.3.1734</td>
 +
<td align="center">Yes</td>
 +
<td></td>
 +
</tr>
 +
 
 +
</table>
 +
 
 +
 
 +
[[File:Yealink logo.jpg]]
 +
<table border="1" cellspacing="0" cellpadding="3" width="75%">
 +
<tr>
 +
<th>Model</th>
 +
<th>Min. Firmware/ver</th>
 +
<th>Auto provision</th>
 +
<th>Notes</th>
 +
</tr>
 +
 
 +
<tr>
 +
<td>SIP-T10</td>
 +
<td>n/a</td>
 +
<td align="center">No</td>
 +
<td></td>
 +
</tr>
 +
</table>
 +
 
 +
 
 +
[[File:Snom logo.JPG]]
 +
<table border="1" cellspacing="0" cellpadding="3" width="75%">
 +
<tr>
 +
<th>Model</th>
 +
<th>Min. Firmware/ver</th>
 +
<th>Auto provision</th>
 +
<th>Notes</th>
 +
</tr>
 +
 
 +
<tr>
 +
<td>[http://www.snom.com/en/products/ip-phones/snom-300-ip-phone/ 300]</td>
 +
<td>6.5.20</td>
 +
<td align="center">Yes</td>
 +
<td></td>
 +
</tr>
 +
 
 +
<tr>
 +
<td>[http://www.snom.com/en/products/ip-phones/snom-320-voip-phone/ 320]</td>
 +
<td>6.5.4</td>
 +
<td align="center">[[320|Yes]]</td>
 +
<td>autoprovision supported for firmware version 7.x</td>
 +
</tr>
 +
 
 +
<tr>
 +
<td>[http://wiki.snom.com/Snom360/Hardware 360]</td>
 +
<td>6.5.17</td>
 
<td align="center">No</td>
 
<td align="center">No</td>
 +
<td>Discontinued</td>
 +
</tr>
 +
 +
<tr>
 +
<td>[http://www.snom.com/en/products/ip-phones/snom-370-voip-phone/ 370]</td>
 +
<td>7.3.30</td>
 +
<td align="center">[[370|Yes]]</td>
 
<td></td>
 
<td></td>
 
</tr>
 
</tr>
 +
<table><br>
 +
 +
== Routers compatibility ==
 +
 +
Not all NAT firewall/routers can handle voice traffic properly. Symptoms of this include inability to receive calls inbound, dropped calls and no one being able to hear caller when placing an outbound call. Most firewall/router devices have firmware upgrades available to deal with SIP properly, so its always good measure to upgrade to the latest stable firmware.<br>
 +
 +
'''Note:''' Many older devices have no updated firmware and may need to be replaced.
 +
 +
* AOpen Broadband Routers Work fine.
 +
 +
* Cisco PIX 501 - 525 Version 6.3 firmware and greater works with or without SIP handling enabled.
 +
 +
* Cisco IOS with SIP CBAC disabled
 +
 +
* D-Link DI-604 and friends have some problems with early NAT timeouts, causing temporary failures.
 +
 +
* Linksys WRT54G Hardware version 5 requires new firmware immediately after being removed from its box.Version 4 and older are fine.
 +
 +
* Linksys WRT54C All versions appear to work fine.
 +
 +
* Linksys WRT54GS (non SRX model) All versions appear to work fine.
 +
 +
* Linksys SRX gear (all models thus far) cause registration problems with Sipura/PAP2 devices. NAT keep alive fails which results in loss of inbound calling.
 +
 +
* Linux IPTables Works fine, sometimes needs higher UDP timeout setting, but not normally
 +
 +
* OpenBSD software firewalls (FreeBSD works fine, OpenBSD loses NAT sessions)
  
 +
* SPA-2100/SPA-2102 as a router by itself works fine (with other VoIP behind it)
  
 +
* TP-LINK TL-WR641G and TL-WR642G works fine.
  
<table>
+
* Windows 2000/2003/XP Firewall/NAT- Not a good thing, introduces extreme jitter into the stream, but works

Latest revision as of 20:33, 30 June 2020

For a full list of compatible devices and new VoIP phones please visit shop.voicemailtel.com

Here you can find a list of devices that are known to work well with our service.
Note: Minimum firmware version is the version installed on devices that are currently using our service, doesn't mean that firmware with lower version will not work fine.It is highly recommended to upgrade your firmware to the latest version



Aastra logo.JPG

Model Min. Firmware/ver Auto provision Notes
480i 1.4.3 Yes Discontinued
480i CT 1.3.1 Yes Discontinued
6731i 2.5.1.41 No
6753i (53i) 2.5.2.30 Yes
6755i (55i) 2.5.2.1010 Yes
6757i (57i) 2.5.2.30 Yes
6757i CT (57i CT) 2.5.2.30 Yes
9112i 1.4.3 Yes Discontinued
9113i 1.4.3 Yes Discontinued
9143i 2.4.1.37 No
9480i (35i) 2.5.0.2000 Yes
9480i CT (35i CT) 2.0.5.1026 No


Cisco-logo.gif Linksys logo.jpg Sipura logo.gif

Model Min. Firmware/ver Auto provision Notes
PAP2 3.1.5(LS) No
PAP2T 3.1.15(LS) No
RT31P2 3.1.7(LIa) No
SPA504G 7.4.7 Yes
SPA525G 7.4.3 Yes
SPA841 3.1.4(a) No
SPA921 4.1.10(b) Yes
SPA941 4.1.8 Yes
SPA942 5.1.15(a) Yes
SPA1001 3.1.8(SEc) No
SPA2002 3.1.2(a) No
SPA2102 3.2.8(d) Yes
SPA3102 3.3.6(GW) No
SPA8000 6.1.3 No
WRP400 2.00.05 No
WRTP54G 3.1.22 No


Grandstream logo.jpg

Model Min. Firmware/ver Auto provision Notes
Handytone HT802 No
Handytone HT812/814 1.0.8.33 Yes can be ht487 with some firmware version
GXP1625/GRP2612 1.1.6.16 No
GXP21XX/GRP26XX 1.2.2.26 Yes
GXP160/GRP2616 1.1.6.46 No


Polycom logo.jpg

Model Min. Firmware/ver Auto provision Notes
SoundPoint IP 320/330 3.0.4.0061 Yes Discontinued
SoundPoint IP 335 3.2.3.1734 Yes
SoundPoint IP 450 3.2.3.1734 Yes
SoundPoint IP 550 3.0.4.0061 Yes
SoundPoint IP 650 3.0.0.0258 Yes
SoundStation IP 5000 3.2.3.1734 Yes
SoundStation IP 7000 3.2.3.1734 Yes


Yealink logo.jpg

Model Min. Firmware/ver Auto provision Notes
SIP-T10 n/a No


Snom logo.JPG

Model Min. Firmware/ver Auto provision Notes
300 6.5.20 Yes
320 6.5.4 Yes autoprovision supported for firmware version 7.x
360 6.5.17 No Discontinued
370 7.3.30 Yes

Routers compatibility

Not all NAT firewall/routers can handle voice traffic properly. Symptoms of this include inability to receive calls inbound, dropped calls and no one being able to hear caller when placing an outbound call. Most firewall/router devices have firmware upgrades available to deal with SIP properly, so its always good measure to upgrade to the latest stable firmware.

Note: Many older devices have no updated firmware and may need to be replaced.

  • AOpen Broadband Routers Work fine.
  • Cisco PIX 501 - 525 Version 6.3 firmware and greater works with or without SIP handling enabled.
  • Cisco IOS with SIP CBAC disabled
  • D-Link DI-604 and friends have some problems with early NAT timeouts, causing temporary failures.
  • Linksys WRT54G Hardware version 5 requires new firmware immediately after being removed from its box.Version 4 and older are fine.
  • Linksys WRT54C All versions appear to work fine.
  • Linksys WRT54GS (non SRX model) All versions appear to work fine.
  • Linksys SRX gear (all models thus far) cause registration problems with Sipura/PAP2 devices. NAT keep alive fails which results in loss of inbound calling.
  • Linux IPTables Works fine, sometimes needs higher UDP timeout setting, but not normally
  • OpenBSD software firewalls (FreeBSD works fine, OpenBSD loses NAT sessions)
  • SPA-2100/SPA-2102 as a router by itself works fine (with other VoIP behind it)
  • TP-LINK TL-WR641G and TL-WR642G works fine.
  • Windows 2000/2003/XP Firewall/NAT- Not a good thing, introduces extreme jitter into the stream, but works