Preview Tool

Cisco Bug: CSCuq09895 - 78XX series phones fail to stay registered in SRST

Last Modified

Feb 21, 2018

Products (4)

  • Cisco IP Phone 7800 Series
  • Cisco IP Phone 7841
  • Cisco IP Phone 7821
  • Cisco IP Phone 7861

Known Affected Releases


Description (partial)

78XX series phones running firmware sip78xx.10-1-1SR1-4 will register with an SRST reference (during a failover event) however will unregister a short time later (roughly 10 seconds).

The phone sends a register message with the expires timer of '0'.

When using a 78XX series phone with SRST.

IOS version c2900-universalk9-mz.SPA.152-4.M6

Related Community Discussions

7800 Series IP Phoneが SRST モード時に正常登録されない
2014年10月26日(初版)   TAC SR Collection 主な問題 Cisco IP Phone 7800 Series (CP-78XX) が、Survival Remote Site Telephony(SRST) | モードにあるルータに正常に登録されない事象が報告されています。SRST 時に CP-78XXが送出する SIP REGISTER メッセージの中のExpiresフィールドが0に設定されており、Unregister 扱いとなるため、登録に失敗します。 原因 CP-78XXの不具合、<key>CSCuq09895</key> に該当する可能性があります。 解決策 <key>CSCuq09895</key> の修正を含むバージョンにアップグレードしてください。
Latest activity: Oct 26, 2014
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.