SIP

SIP 204 No Notification vs 484 Address Incomplete

SIP 204 (No Notification) is a 2xx Success response, while 484 (Address Incomplete) is a 4xx Client Failure response. 204 indicates that the request was successful but the server has decided not to send a NOTIFY for this SUBSCRIBE request. In contrast, 484 means that the Request-URI was incomplete. The server needs additional digits or information to route the call.

Beschreibung

The request was successful but the server has decided not to send a NOTIFY for this SUBSCRIBE request.

Wann Sie es sehen

When subscribing to event packages that may not generate immediate notifications, such as dialog or presence packages.

Wie man es behebt

No fix needed. The subscription was accepted but there is no state change to notify about yet.

Beschreibung

The Request-URI was incomplete. The server needs additional digits or information to route the call.

Wann Sie es sehen

When dialing a partial phone number that the server cannot resolve. Common in PSTN gateway scenarios with overlap dialing.

Wie man es behebt

Provide the complete destination address. Add missing digits or domain information to the Request-URI.

Wesentliche Unterschiede

1.

204 is a 2xx Success response, while 484 is a 4xx Client Failure response.

2.

SIP 204: The request was successful but the server has decided not to send a NOTIFY for this SUBSCRIBE request.

3.

SIP 484: The Request-URI was incomplete. The server needs additional digits or information to route the call.

4.

You encounter 204 when when subscribing to event packages that may not generate immediate notifications, such as dialog or presence packages.

5.

You encounter 484 when when dialing a partial phone number that the server cannot resolve. Common in PSTN gateway scenarios with overlap dialing.

Wann welchen verwenden

For 204 (No Notification): No fix needed. The subscription was accepted but there is no state change to notify about yet. For 484 (Address Incomplete): Provide the complete destination address. Add missing digits or domain information to the Request-URI.

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