voip.ms 160 character SMS limit silent fail?

[tomxccus]

Didn't realize that several text messages silently failed because they exceeded 160 characters and did not receive any form of notification. Other than the Event viewer which doesn't do the user very much good There's gotta be a work around whether I can set a hard limit in the admin page or the system changing it to MMS. Or an option to split text messages that exceed 160 characters in the admin panel something I found many posts with other users having this issue and would hope there would be a work around

 

[YiannisH_3CX]

Hi @tomxccus

VoIP.MS has a limit of 160 characters. If you exceed those there message will not be sent.
https://wiki.voip.ms/article/SMS-MMS?utm_source=chatgpt.com

I am wondering however where you see the error and exactly what error are you seeing. . We tried and in our case there is no error. We only see one checkmark however which indicates that the message was sent by 3CX but was never delivered.

There is no option to split messages or set a limit at the moment. You will need to inform users that they cannot exceed this limit.

 

[tomxccus]

any message sent from 3cx 160 char or less works fine, sending photos send fine.

Event Log

Severity Warning
Event ID 30030
Date 11/09/2025 1:24 PM
Details Failed to send message(s) to the provider 'generic' from '7346550011.generic' to '7348901531'. Exception: { "data": { "event_type": "message.finalized", "payload": { "id": "25856820251109015621", "record_type": "message", "to": [ { "status": "delivery_failed" } ], "errors": [ "sms_toolong", "webhook_not_enabled" ] } } }