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Cisco Bug: CSCtb58591 - Mid-call codec change from g729 to g711 results in call failure

Last Modified

Jan 30, 2017

Products (1)

  • Cisco 2800 Series Integrated Services Routers

Known Affected Releases

12.4(23c)

Description (partial)

Symptoms: MGCP call conferencing fails because of path confirmation failure 
with codec combination g729_g711 and g726-16_g711 with Cisco IOS Release 12.4
(23c).

Conditions: Path confirmation fails for codec combinations g729_g711 and g726-
16_g711 and works fine for codec combination g711_g711.
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