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Supplier: Shanghai Cisoarnet Technology Co., Ltd. [China Manufacturers]
... phone billing meter Can be compatible with telephone set, PBX, VoIP gateway,PSTN line, alarm system, and ect. The IMEI can be ...
Supplier: Shenzhen Vintelecom Technology Co., Ltd. [China Manufacturers]
... cost effective and standards-complaint VoIP Media Trunk Gateway, which is generally called TG/SG or VoIP Voice Gateway, designed for enterprise users and ... (Reason header in SIP messages) RFC3372(SIGTRAN and SIP-T) RFC2327(sdp) RFC3398(ISUP-SIP Mapping) RFC3261(sip) RFC5806(Diversion Indication in SIP) RFC2833( DTMF ...
Supplier: Shenzhen Niceuc Communication Technology Co., Ltd. [China Manufacturers]
... antenna sensitivity, and other environmental factors.Key FeaturesOpen Standard VoIP Protocols (IETF SIP V2) Two 10/100 Ethernet for WAN / ... Telephony Tones and Telephony Signals RFC 2976 – SIP INFO Method RFC 3261 – SIP RFC 3264 – Offer/Answer model with SDP ... Through Network Address Translators (NATs) RFC 3891 – SIP “Replaces” Header RFC 3892 – SIP Referred-By Mechanism draft-ietf-sipping-cc-transfer ...
Supplier: DBL Technology Limited [China Manufacturers]
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