UC320 SIP trunk configuration for Gamma Telecom UK

[Alberto Montilla]

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

[iwroe]

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