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Cisco Bug: CSCuq23360 - H323 GW plays ringback after H225 connect for PRI calls

Last Modified

Nov 27, 2020

Products (2)

  • Cisco 2600 Series Multiservice Platforms
  • Cisco 2600 Series Multiservice Platforms

Known Affected Releases

15.2(4)M 15.3(2.24)T 15.4(2.12)T

Description (partial)

Symptom:
Caller continuously hears ringback tone while called party is able to hear caller. Two way audio is established after HOLD-RESUME.

Conditions:
Call Flow 
PSTN -> PRI -> GW -> H323 -> CUCM .

This issue is reproduced when using Native Call Queue functionality in CUCM 9.X or above.

A Similar issue for FXO lines is addressed in CSCue29351
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  • Status
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