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NOTE: Exclusion from this list means only that compatibility has not been verified, it does not mean incompatibility.
For detailed configuration instructions for certain vendors below, see Configuring Viking VoIP Phone and SIP
Servers, DOD# 944.
3COM VCX
3CX
Aastra
Asterisk
Atcom
Avaya Aura Communication Manager
Avaya IP Office
BlueBox
Brekeke
Callcentric
Cisco Unified Communications Manager (CUCM)
Cisco Unified Communications Manager Express
(CUCME)
Elastix
Epygi QX200
Freeswitch
Grandstream
Interactive Intelligence
iPECS (Ericsson-LG)
iptel.org
Kamailio
MetaSwitch
NEC
OfficeSIP
OpenSIPS
Panasonic** (with SIP Extension Card)
Samsung Communications Manager (SCM)
ShoreTel*
Siemens Communications Server (SCS)
SIP Express Router (SER)
sip.antisip.com
Snom PBX
Sonus
Switchvox
Teksip
Toshiba
VoIP.ms
* Note: Not compatible with ShoreTel Ring Group/Hunt Group (unit can be programmed to ring an extension 2 or 3 times then roll to the next number, for
a total of 5 numbers).
** Note: Relay operation commands are Not compatible with Panasonic Phone Systems (Panasonic does not transmit DTMF between station ports).
Known Incompatible System or Service Provider: Ring Central (Requires Authorization ID and Proxy address).
Viking VoIP SIP System Compatibility List
Vendor
Infrastructure Class
PBX
Softswitch
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
2
SBC
Service
Proxy
(session border
Provider
controller)
X
X
X
X
X
X
X
X
X
X
X
X
X
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