Cisco SPA9000 Voice System Administration Guide
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... are client stations (UAs) that registers with all ITSPs supporting SIP. In a SIP VoIP network, when the SIP proxy receives a request from a client station (UAS) for ... Responses SIP UA 2 4 SIP Proxy RTP 3 1 SIP UA SIP Proxy SIP Proxy NOTE In this manual, the term client station is connected. In the following figure illustrates a SIP request for a connection and ...it forwards the message to describe any SIP UA (including IP phones) that register over dynamically assigned ports using the Real-time Protocol (RTP). SPA9000 Voice System Administration...
... are client stations (UAs) that registers with all ITSPs supporting SIP. In a SIP VoIP network, when the SIP proxy receives a request from a client station (UAS) for ... Responses SIP UA 2 4 SIP Proxy RTP 3 1 SIP UA SIP Proxy SIP Proxy NOTE In this manual, the term client station is connected. In the following figure illustrates a SIP request for a connection and ...it forwards the message to describe any SIP UA (including IP phones) that register over dynamically assigned ports using the Real-time Protocol (RTP). SPA9000 Voice System Administration...