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Error

50408: Invalid participant proxy address

Chat

Description

An invalid participant proxy address was supplied.

Possible causes

Participant MessagingBinding.ProxyAddress parameter provided with the request is not a valid conversation proxy address.

Possible solutions

Check that the length of MessagingBinding.ProxyAddress parameter does not exceed 256 characters.
Ensure that MessagingBinding.ProxyAddress parameter contains an address with valid syntax (e.g. SMS phone numbers must follow E.164 format).