Intersect codec sets for 'local_merge' strategy, REF 16784

Lukasz Kotasarequested to merge
lk_update_outgoing_call_ofer_local_merge into asterisk_rdkb

Here is our pjsip_endpoint.conf:

outgoing_call_offer_pref = local_merge
incoming_call_offer_pref = remote_first

For outgoing calls we use local_merge (UNION) which means "Merge the lists with the preferred codecs first"

For incomming calls we use remote_first (INTERSECT) which means "Only common codecs with the preferred codecs first"

When UPDATE was received for incomming call, device responded with

  • 488 Not Acceptable Here with Reason:Q.850;cause=16

When UPDATE was received for outgoing call, device responded with

  • 488 Not Acceptable Here with Reason:Q.850;cause=58
  • BYE message

After change in this commit we have the same behaviour for UPDATE during both incoming and outgoing call.

Incoming calls were fixed in similar way before: fb501964

Edited by Lukasz Kotasa

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