V7122 Gateway User Guide
417
4xx Response
Supported
Comments
414 Request-URL
Too Long
Yes
The gateway does not generate this response. On reception of
this message, before a 200OK has been received, the gateway
responds with an ACK and disconnects the call.
415 Unsupported
Media
Yes
If the gateway receives a 415 Unsupported Media response, it
notifies the User with a Reorder Tone.
The gateway generates this response in case of SDP mismatch.
420 Bad Extension
Yes
The gateway does not generate this response. On reception of
this message, before a 200OK has been received, the gateway
responds with an ACK and disconnects the call.
480 Temporarily
Unavailable
Yes
If the gateway receives a 480 Temporarily Unavailable response,
it notifies the User with a Reorder Tone.
This response is issued if there is no response from remote.
481 Call
Leg/Transaction
Does Not Exist
Yes
The gateway does not generate this response. On reception of
this message, before a 200OK has been received, the gateway
responds with an ACK and disconnects the call.
482 Loop Detected
Yes
The gateway does not generate this response. On reception of
this message, before a 200OK has been received, the gateway
responds with an ACK and disconnects the call.
483 Too Many Hops
Yes
The gateway does not generate this response. On reception of
this message, before a 200OK has been received, the gateway
responds with an ACK and disconnects the call.
484 Address
Incomplete
Yes
The gateway does not generate this response. On reception of
this message, before a 200OK has been received, the gateway
responds with an ACK and disconnects the call.
485 Ambiguous
Yes
The gateway does not generate this response. On reception of
this message, before a 200OK has been received, the gateway
responds with an ACK and disconnects the call.
486 Busy Here
Yes
The SIP gateway generates this response if the called party is off
hook and the call cannot be presented as a call waiting call. On
receiving this response, the gateway notifies the User and
generates a busy tone.
487 Request
Canceled
Yes
This response indicates that the initial request is terminated with
a BYE or CANCEL request.
488 Not Acceptable
Yes
The gateway does not generate this response. On reception of
this message, before a 200OK has been received, the gateway
responds with an ACK and disconnects the call.
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