When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Session Initiation Protocol - Wikipedia

   en.wikipedia.org/wiki/Session_Initiation_Protocol

   SIP-I, Session Initiation Protocol with encapsulated ISUP, is a protocol used to create, modify, and terminate communication sessions based on ISUP using SIP and IP networks. Services using SIP-I include voice, video telephony, fax and data. SIP-I and SIP-T [29] are two protocols with similar features, notably to allow ISUP messages to be ...

3. List of SIP response codes - Wikipedia

   en.wikipedia.org/wiki/List_of_SIP_response_codes

   The Session Initiation Protocol (SIP) is a signaling protocol used for controlling communication sessions such as Voice over IP telephone calls. SIP is based on request/response transactions, in a similar manner to the Hypertext Transfer Protocol (HTTP).

4. VoIP phone - Wikipedia

   en.wikipedia.org/wiki/VoIP_phone

   There are several Wi-Fi enabled mobile phones and PDAs that have pre-installed SIP client software, or are capable of running IP telephony clients, including most smartphones. Analog telephone adapters provide an interface for traditional analog telephones to a voice-over-IP network.

5. Voice over IP - Wikipedia

   en.wikipedia.org/wiki/Voice_over_IP

   Communication on the IP network is perceived as less reliable in contrast to the circuit-switched public telephone network because it does not provide a network-based mechanism to ensure that data packets are not lost, and are delivered in sequential order. It is a best-effort network without fundamental quality of service (QoS) guarantees ...

6. SIP trunking - Wikipedia

   en.wikipedia.org/wiki/SIP_trunking

   SIP trunking is a voice over Internet Protocol (VoIP) technology and streaming media service based on the Session Initiation Protocol (SIP) by which Internet telephony service providers (ITSPs) deliver telephone services and unified communications to customers equipped with SIP-based private branch exchange (IP-PBX) and unified communications facilities. [1]

7. List of SIP software - Wikipedia

   en.wikipedia.org/wiki/List_of_SIP_software

   3Com VCX IP telephony module: back-to-back user agent SIP PBX; 3CX Phone System, for Windows, Debian 8 GNU/Linux; Aastra 5000, 800, MX-ONE; Alcatel-Lucent 5060 IP Call server; Aricent SIP UA stack, B2BUA, proxy, VoLTE/RCS Client; AskoziaPBX; Avaya Application Server 5300 (AS5300), JITC certified ASSIP VoIP; Bicom Systems IP PBX for telecoms