SIP Trunking FAQs

The following are some of the most common questions asked about SIP Trunking. If you don’t find your answer here, contact us by calling 1-888-825-0800, Option 1 and we’ll be happy to answer any questions you may have.

Please click on a topic to expand or collapse the solution.

  • What is SIP Trunking?
  • What are the main benefits of SIP Trunking?
  • What are SIP channels?
  • We are using a PRI now, how is this different?
  • Are SIP and VoIP the same thing?
  • How is the quality of a call over a SIP Trunk?
  • Is SIP Trunking very technical?
  • What PBX can you connect to?
  • I don’t have an IP PBX, can I still use a SIP Trunk?
  • What is the Inbound Protocol and the Inbound Protocol Listen port?
  • Do you support TLS encryption?
  • What is the maximum number of concurrent calls on a SIP Trunk?
  • Do you require Normal Media or Delayed Media?
  • Do you require P-Asserted Identity if the connection type is public IP address?
  • Do you require Outbound Digest Authentication if the connection type is public IP address?
  • Do you require the FROM Header to come from a specific address if the connection type is public IP address?
  • Do you support SIP Diversion Headers?

VirtualPBX on TwitterVirtualPBX on FacebookVirtualPBX on YouTubeVirtualPBX on Pinterest