Cisco Cisco IOS Software Release 12.4(4)T
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Cisco V.150.1 Minimum Essential Requirements Configuration Guide
Symptoms and Possible Solutions for Cisco V.150.1 MER
Note
For problems with endpoints, such as phones, see the manufacturer’s troubleshooting guide.
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examples, command display output, network topology diagrams, and other figures included in the document are shown for illustrative purposes only.
Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental.
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No audio after transitioning
from secure to unsecure mode
from secure to unsecure mode
MAC calls and busy trigger should be 1-to-1 on analog endpoints. (The
symptom is caused whenyou are receiving a second call while in secure
mode; you do not hear the call waiting tone.)
symptom is caused whenyou are receiving a second call while in secure
mode; you do not hear the call waiting tone.)
The V.150.1 (MER or
Legacy) capabilities are lost
over the SIP trunk
Legacy) capabilities are lost
over the SIP trunk
Ensure that appropriate V.150.1 SDP filtering options are set for the
trunk. Filtering options are set via the trunks associated SIP Trunk
Security Profile and the SIP V.150 Outbound Offer SDP filtering
service parameter.
trunk. Filtering options are set via the trunks associated SIP Trunk
Security Profile and the SIP V.150 Outbound Offer SDP filtering
service parameter.
Table 5
Common Issues and Possible Solutions (continued)