SIP, or session initiation protocol is a signaling protocol for IP-based telephony applications. A signaling protocol provides the control layer for communications such as the establishment and release of a voice call. It enables the Voice Over Internet Protocol (VoIP) by defining the messages sent between endpoints and managing the actual elements of a call. SIP supports voice calls, video conferencing, instant messaging, and media distribution. Check this blog post for in-depth information on SIP architecture, messages, and methods! SIP is just one method of deploying VoIP;

Preparing for your success, we provide truly Voice SIP solutions.
its primary benefit is the fact that it provides a direct connection between private or local telephone systems (private branch exchanges, or PBX) and the public telephone network. This way, individuals and businesses don’t need a legacy telephone line in order to connect. Other VoIP deployment methods include the Real-time Transport Protocol (RTP), Real-time Transport Control Protocol (RTCP), and Session Description Protocol (SDP).
*Ease of use:
TPG can easily assimilate into your existing IP phone system via the Ethernet port, allowing your SIP and phone lines to operate concurrently.
*Intelligent centralised number hosting:
TPG operates an ISO 9001 certified management system that assures the quality of installation, management and maintenance.
*Solutions for complex requirements:
TPG’s expert Network Engineers and Voice Specialists can work with you to develop a solution that meets your requirements.
SPECIFICATIONS
Number of Concurrent Sessions | 2 channels to hundreds |
Services Supported | TPG Fibre (Fibre400/Fibre1000)
TPG Ethernet NBN Other Third Party Access
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PABX Support | All major vendors. Contact TPG for the full list |
Local Number Portability | Yes with participating carriers |
Site Requirements | Rack space (1RU) and 240V AC 50Hz power to be provided by the Customer |
Reporting | Summary invoice and individual call details |
Contract Terms | Flexible contract term starting from 12 months |
Provisioning Targets | TPG On-Net Infrastructure: 4-7 weeks from Date of Order Acceptance |
Requirements | An IP enabled PBX or SIP Gateway device so you can connect to TPG via Ethernet |
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