# Airlink RV55 allowing ignition to send texts but it’s not receiving **URL:** \ **Category:** Ignition\ **Created:** [December 22, 2021, 5:17pm UTC](https://forum.inductiveautomation.com/t/airlink-rv55-allowing-ignition-to-send-texts-but-it-s-not-receiving/54402 "2021-12-22T17:17:24Z")\ **Posts on this page:** 1\ **Showing post:** 7
**Author:** ![y0ngjinac](https://avatars.discourse-cdn.com/v4/letter/y/85e7bf/32.png) [@y0ngjinac](https://forum.inductiveautomation.com/u/y0ngjinac)\ **Post date:** [February 21, 2022, 11:46pm UTC](https://forum.inductiveautomation.com/t/airlink-rv55-allowing-ignition-to-send-texts-but-it-s-not-receiving/54402/7 "2022-02-21T23:46:35Z")
Hi @tre99ahs, Have you tried this? > [@SMS Alarm Acknowledgement Not Working - AirLink RV50](https://forum.inductiveautomation.com/t/sms-alarm-acknowledgement-not-working-airlink-rv50/29742/2): > > Does SMS alarm acknowledgement work if ignition is running the trial version? or this > [@Airlink GX400 recieve sms acknowledgement](https://forum.inductiveautomation.com/t/airlink-gx400-recieve-sms-acknowledgement/10598): > > Hi, I have an Airlink GX400 and I know the GX400 isn’t specifically covered for Ignition and the LS300 is. I have a GX400 setup and sending SMS messages for Alarms by following the same setup as the LS300. Just wondering how different the models are for receiving sms? As I can’t seem to acknowledge alarms via sms when two way is enabled in the alarm notification. I can see the incoming sms acknowledgment on the GX400 but Ignition doesn’t seem to be picking it up I have a pc on a fixed ip of… Update: I just received the RV55 device and was able to get it to work. I can acknowledge alarms by replying to the text messages with the ports (UDP) enabled and country code added. --- _[View the full topic](https://forum.inductiveautomation.com/t/airlink-rv55-allowing-ignition-to-send-texts-but-it-s-not-receiving/54402)._