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What is the needed ports in ASA Cisco firewall need to be open in order to connect SIP Cisco IP phone from outside to Cisco Call Manager ? I am using Cisco ASA and virtu ... Voir Plus
Hello If You Mean Jabber Phone You Will To Make A DMZ In Fierwall For Publishing From Outside And Many Things . If You Mean What The Protocol using Between Cisco Unified ... Voir Plus
IP based voice communication.Communication between telcos and inter office through IP based.Also between intra and inter office communication using IP through ISP and LAN ... Voir Plus
Voice over Internet Protocol (VoIP) and streaming media service based on the Session Initiation Protocol (SIP) by which Internet telephony service providers (ITSPs) deliv ... Voir Plus
The network access is provided by the system to the clients by means of sharing a group of frequencies.
Trunking is a technique used in data communications transmission systems to provide many users with access to a network by sharing multiple lines or frequencies. As the n ... Voir Plus
Trunk in the telephony system defines the connections between tow telephony systems to pass the calls from point to other point , as well as there are may different type ... Voir Plus