SIP Trunk is an IP based PSTN Telephony Service that can support 20 to 1500 voice channels over a
single link, in a scalable manner. Unlike in traditional telephony, where bundles of physical wires are being delivered from the service provider
to a customer, SIP trunk allows a company to replace these traditional fixed PSTN lines with single physical connectivity from the service
Enterprise with installed IP-PBX can connect SIP trunk and continue to communicate with their employees and customers over IP
SIP Trunk Features
|PSTN Dialing: Both direct outward and direct inward dialing features are available on SIP Trunk.
||Number Plan: Both normal and telemarketer(140XXX) numbers are available on SIP Trunk
||Local Pooling on SIP Trunk: Pooling of Free Call Value (FCV) is now available on SIP Trunk
for optimizing your free call usage
|The SIP Trunks will be delivered through Tata Docomo Business Services state-of-the-art Class 5 NGN switches.
||Minimum 20 channels have to be subscribed by customer. This can scale up to 1500 on the same physical link.
||Upgradation/downgradation of channels shall be as per the defined channel slabs only.
|By default, bandwidth sizing shall be done considering G.711 codec