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Cisco Bug: CSCuw34107 - ATA 190 does not respond after T.38 swithover

Last Modified

Nov 09, 2018

Products (1)

  • Cisco IP Phone 7800 Series

Known Affected Releases


Description (partial)

After T,38 switchover occurs for either inbound or outbound faxing via SIP trunk, ATA 190 does not respond with any T.30 messages.

Only fails via ATA190; works fine with ATA187 where far-end initiates switchover first

Related Community Discussions

ATA-190 で T.38 FAX リレー通信が失敗する
2016年4月22日(初版) TAC SR Collection 主な問題 Cisco ATA 190 Analog Telephone Adaptor (ATA-190) での T.38 FAX リレー通信が失敗します。 原因 <key>CSCuw34107</key> に該当する可能性があります。 解決策 T.38 FAX リレーの代わりに FAX パススルー方式を使用してください。 Cisco Unified CM の デバイスの設定で、Fax Mode を T.38 Fax Relay からFax Pass-through または NSE Fax Pass-through g711ulaw に変更できます。  
Latest activity: Apr 22, 2016
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