Services SIP

SIP

SIP (or Session Initiation Protocol) is one of the of the first true IP transit services on the market, giving you full PSTN (traditional telephone) connectivity across the data network.


With SIP from GPNS, you will be connected directly into our network using our high-bandwidth IP backbone for seamless and highly functional IP telephony.

The benefits of SIP communications
  • FREE calls between sites
  • Lower Cost Calls beyond the network
  • Lower cost than ISDN, DDI ranges and CLI presentation are included in the price
  • Scalable on a per channel (i.e. number of simultaneous calls) basis
  • Easy to order - reduced lead time when compared to BT ISDN 30
  • Available over LLU or SDSL in selected areas or as a pure IP service
  • Complements a converged network with lower costs and simplified architecture

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