Update Subscriber SIP credential
Updates a [Subscriber](/docs/platform/subscribers) SIP Credential by ID.
#### Permissions
The API token used to authenticate must have the following scope(s) enabled to make a successful request: _Voice_, _Messaging_, _Fax_, or _Video_.
[Learn more about API scopes](/docs/platform/your-signalwire-api-space).
Authentication
AuthorizationBasic
SignalWire Basic Authentication using Project ID and API Token.
The client sends HTTP requests with the Authorization header containing
the word Basic followed by a space and a base64-encoded string of project_id:token.
The project ID will be used as the username and the API token as the password.
Example:
```
Authorization: Basic base64(project_id:token)
```
Path parameters
id
Unique ID of a Sip Endpoint.
fabric_subscriber_id
Unique ID of a Fabric Subscriber.
Request
This endpoint expects an object.
username
Username of the Sip Endpoint.
password
Password of the Sip Endpoint.
caller_id
Caller ID of the Sip Endpoint.
send_as
The Number to send as.
ciphers
Ciphers of the Sip Endpoint.
codecs
Codecs of the Sip Endpoint.
encryption
Encryption requirement of the Sip Endpoint.
Response
The request has succeeded.
id
Unique ID of the Sip Endpoint.
username
Username of the Sip Endpoint.
caller_id
Caller ID of the Sip Endpoint.
send_as
Purchased or verified number
ciphers
Ciphers of the Sip Endpoint.
codecs
Codecs of the Sip Endpoint.
encryption
Encryption requirement of the Sip Endpoint.
Errors
401
Unauthorized Error
404
Not Found Error
422
Unprocessable Entity Error
500
Internal Server Error