Hello,
I hvae a problem with CP6921 noise
1. Infomation
1) CUCM Version : 9.1.1
2) Voice Gateway : C3945 (14 PRI), Two Telco (1st : 9 PRI, 2nd : 5 PRI)
3) IPPhone : CP6921 ver 9.3.1.3.ES9 (SCCP)
4) Voice Gateway <- SIP(TLS,sRTP) -> CUCM - IP-Phone(SCCP/TLS,sRTP)
5) No Slip occur., no other PRI error
2) Problem
1) Sometimes we heard clicking noise, when CP6921 call to outside via voicegateway.
2) show contr e1 0/0/0 => No slip, no other PRI error.
3) packet capture => heard clicking noise, no packet loss, no sequence error.
4) Local communication => No noise
5) CIPC outbound & Local call => No noise
Please help me, experts
Thank you.
