@jgiebler wrote:
We use IAX2 Trunks between all of our sites. Internal calls work great. The CNAM information for an extension passes without issue. (Figure 1)
We are now starting to forward external calls (from SIP trunks) to other PBXs in the network. Reasons may be: overflow, night answering etc. When the call is received by the other PBX, the CallerID Number appears but no CNAM information. The CNAM information is populated initially by OpenCNAM lookups on the initial server but does not pass along. (Figure 2)
Is there some way to either pass the CNAM information along from the initial server or do another lookup on the destination server?
Example: PBX A and PBX B
Figure 1 (Internal... Working)
1. Extension 100101 on PBX A calls Extension 101101 on PBX B.
2. Name and Number appear on extension 101101.*This call routes over an IAX2 trunk to PBX B
Figure 2 (External to Internal then Forwarded... Not Working)
1. External Caller +1-555-212-0505 calls PBX A
2. CNAM Resolves to "Fake Test Number" on PBX A
3. Destination for inbound SIP route is set to ring Extension 101101 on PBX B. ( "After Hours" (Time Conditions))
4. External Call is ringing on 101101 on PBX B
5. Extension 101101 Phone shows +1-555-212-0505 as CallerID but CNAM is no longer on the record*This call routes from external SIP trunk to internal IAX2 trunk
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