SIP-GW4 with SIP VoIP Trunk Compatibility
Supporting the ability to connect KX-TDA15/KX-TDA30 Hybrid IP PBXs to the growing list of SIP based Internet Telephony Service Providers (ITSP) to achieve low-cost VOIP calls over broadband IP network. The SIP-GW4 comes with 4 port SIP trunk support which can be increased further to 8-ports by installing the optional SIP-DSP4 (KX-TDA3451) module. Each port on the SIP gateway card supports 1 bi-directional voice communication. The SIP gateway card also supports web programming for easy programming and configuration.
CODEC :ITU-T
- G.729a/b
- G.711
Supports SIP 2.0:
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RFC3261 (UDP)
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RFC3262 (PRACK)
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RFC3262 (Offer/Answer)
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RFC3311 (UPDATE)
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RFC4028 (Session Timer)
Telephony Feature Support:
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Make Call/Receive call
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CLIP (Caller ID)
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DDI