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UC320 SIP trunk configuration for Gamma Telecom UK

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Provided  by: Alan Mackie, Gamma Telecom

UC320W  FW release:  2.0.6(10)

  • Provider:  Generic SIP Provider
  • Description: IP DirectConnect Service
  • Proxy: <Provided on order>
  • Registration:  Un-check (peer-to-peer SIP trunk, no registration)
  • Outbound  Proxy: <blank>
  • Call   Capacity: <2-12, provided on order>
  • Prefix # w/"+44" : Uncheck (uses UK national numbering plan)
  • Company  Name:  <Your company name> (this will appear  as the  Display Name field on SIP messaging)
  • Account  ID:  <Provided on order>
  • SIP  domain  name: <blank>
  • Authentication  ID:  <blank>
  • Password:   <blank>
  • SRV   Recorded Lookup: Unchecked
  • SRV Auto   Prefix: Unchecked
  • NAT Mapping: Uncheck (ITSP provides SBC/Outbound proxy)

       Systemwide parameters

  • Codec: G729
  • Outbound   FAX:  PassThrough

Known Issues:

     * SIP trunk to ext-A. Ext-A is set to call forward all back to another SIP trunk number - One way audio from mobile calls

     * Fax (G3) calls fail on SIP trunk

Comments
iwroe
Beginner

Any chance of asking Alan Mackie at Gamma Telecom for a similar SIP trunk config example for CallManager Express / CUBE ? We're struggling to get any info from Gamma direct. Thanks