Generic SIP/2.0 response -- assert nothing.
SIP/2.0
TP-Link SIP enabled device
TP-Link SIP Stack V1.0.0
DLink SIP enabled device
DLink VoIP Stack
Zyxel home routers
Home&Life HUB/1.1.26.00
Technicolor TG789vac Router
Technicolor / VANT-6 / AGTOT_2.1.4 / AGTOT_2.1.4
Technicolor TG789vac Router w/o version string
Technicolor / VANT-6
Technicolor TGxxx Router with build info
Technicolor TG784n v3 Build 10.2.1.O
Technicolor TG789vn v3 Build 10.5.2.Z.EC
MediaAccess TG789vac v2 Build 10.5.8.Y.GX CP1916SAQHD
Technicolor TG799vn v2 Build 10.5.2.T.JF
MediaAccess TG788vn v2 Build 10.5.2.S.GD
MediaAccess TG799vac Build 17.2.0405-1021
MediaAccess TG389 Build 10.5.2.T.AQ
Thomson TGxxx Router with build info
Thomson TG784 Build 8.4.2.Q
Thomson TG784n Build 8.4.H.F
Thomson TG797n v2 Build 8.C.D.9
Axis Network Video Door stations, which have voice
AXIS A8105-E Network Video Door Station
Axis Network audio devices
AXIS C3003-E Network Horn Speaker
AXIS C8033 Network Audio Bridge
AXIS C1004-E Network Cabinet Speaker
Cisco SIPGateway
Cisco-SIPGateway/IOS-12.x
AVM Fritz!OS Device
FRITZ!OS
AVM FritzBox
AVM FRITZ!Box Fon 06.03.13
AVM FRITZ!Box Fon 06.03.65 (Jun 7 2005)
AVM FRITZ!Box Fon 5010 Annex A (ITA) 48.04.46 (Sep 14 2007)
AVM FRITZ!Box Fon 5012 (UI) 25.03.90 (3.01.03 tested by accredited T-Com test lab) (Oct 28 2005)
AVM FRITZ!Box Fon 5113 Annex A 83.04.69 (Dec 2 2008)
AVM FRITZ!Box Fon 5124 56.04.77 (Feb 14 2014)
AVM FRITZ!Box Fon 7170 Annex A.B ML Speedport W701V 58.04.67 (Dec 18 2008)
AVM FRITZ!Box 3272 126.05.50 (Feb 27 2013)
AVM FRITZ!Box 7170 Annex A 58.04.85 (Apr 4 2011)
AVM FRITZ!Box 7312 117.05.23 TAL (Jun 1 2012)
AVM FRITZ!Box WLAN 3270 v3 Edition Italia 125.05.52 (Feb 7 2014)
AVM FRITZ!Box Speedport W701V Annex A 58.04.82 (May 12 2010)
AVM FritzFon
AVM FRITZ!Fon 7150 (fs) 38.04.56 (Mar 31 2008)
AVM FRITZ!Fon WLAN 7150 Annex A 58.04.84 (Apr 4 2011)
AVM Multibox - Generic
AVM Multibox 7390 NGN 84.05.09 (Jan 13 2012)
Huawei generic
Huawei
Huawei Home Gateway
Huawei-HomeGateway/V100R001
Huawei EchoLife Home Gateway
HUAWEI-EchoLife HG8121H/V3R018C00S110
Huawei Softswitch
Huawei SoftX3000 V300R010
Mitel SIP Phones
Mitel-5320-SIP-Phone 06.05.00.11 010203040506
Mitel SIP Gateway
Mitel Border GW/4.0.0.9
Polycom SoundPoint, SountdStation, VVX VoIP phones
PolycomVVX-VVX_350-UA/5.8.0.13337
PolycomVVX-VVX_400-UA/4.1.4.7430_010203040506
Polycom/5.5.0.23866 PolycomVVX-VVX_501-UA/5.5.0.23866
PolycomSoundPointIP-SPIP_670-UA/4.0.7.2514
PolycomSoundStationIP-SSIP_7000-UA/4.0.8.1608
Polycom RealPresence Trio Phones
PolycomRealPresenceTrio-Trio_8800-UA/5.4.0.12197
PolycomRealPresenceTrio-Trio_Visual+-UA/5.7.2.3123
Polycom/5.4.3.2389 PolycomRealPresenceTrio-Trio_8800-UA/5.4.3.2389
Polycom HDX Video Conferencing
Polycom HDX 9006 (Release - 3.0.6-37004)
PolycomHDX4000/3.1.0
Polycom HDX 7000 HD (Release - 3.0.2.1-17007)
PolycomHDX8000HD/3.1.7
Polycom RealPresence Group Video Conferencing
PolycomRealPresenceGroup700/6.2.0
Nero SIPPS IP Phone
Nero SIPPS IP Phone Version 2.0.51.16
ShoreTel VoIP Switch
ShoreGear/21.90.4128.0 (ShoreTel 15)
ShoreGear/22.11.4900.0 (ShoreTel 15)
Crestron Mercury
MERCURY-00107F1ABAA0
Konftel IP Phone
IPDECT/03.55.0013 (MAC=00087B0F1D30; SER= 00000; HW=1)
Sangoma IP Phone
Sangoma S305 V3.0.4.72
Grandstream Handy Tone HT818
Grandstream HT818 1.0.8.7
Grandstream Handy Tone HT814
Grandstream HT814 1.0.9.3
Grandstream Handy Tone HT813
Grandstream HT813 1.0.1.2
Grandstream Handy Tone HT812
Grandstream HT812 1.0.3.5
Grandstream Handy Tone HT802
Grandstream HT802 1.0.3.2
Grandstream Handy Tone HT801
Grandstream HT801 1.0.3.2
Grandstream Handy Tone HT7xx
Grandstream HT701 1.0.8.2
Grandstream GXP SIP Phone GXP2200
Grandstream GXP2200 1.0.3.27
Grandstream GXP SIP Phone GXP1628
Grandstream GXP1628 1.0.7.6
Grandstream GXP SIP Phone GXP1625
Grandstream GXP1625 1.0.4.128
Grandstream GXP SIP Phone GXP1615
Grandstream GXP1615 1.0.4.128
Grandstream GXP SIP Phone GXP1610
Grandstream GXP1610 1.0.4.138
Grandstream GXP SIP Phone
Grandstream GXP2135 1.0.9.108
Fortinet FortiVoice
FortiVoice/7.31b00
FortiVoice/5.2.95-5
FreeSWITCH FreeSWITCH without version
FreeSWITCH
FreeSWITCH FreeSWITCH with version, mod_sofia
FreeSWITCH-mod_sofia/1.10.4-release+git~20200805T110119Z~133fc2c870~64bit
FreeSWITCH-mod_sofia/1.6.20~64bit