# MC8775 Data Call hang up

**URL:** <https://forum.sierrawireless.com/t/mc8775-data-call-hang-up/6719>\
**Category:** Legacy AirPrime modules\
**Created:** [September 10, 2013, 8:07am UTC](https://forum.sierrawireless.com/t/mc8775-data-call-hang-up/6719 "2013-09-10T08:07:07Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![yyiu002](https://avatars.discourse-cdn.com/v4/letter/y/e9bcb4/32.png) [@yyiu002](https://forum.sierrawireless.com/u/yyiu002)\
**Post date:** [September 10, 2013, 8:07am UTC](https://forum.sierrawireless.com/t/mc8775-data-call-hang-up/6719/1 "2013-09-10T08:07:07Z")

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Hi All,  
I can dial by using ATD0290000 to dial into PSTN modem from MC8775 board, I can see “CONNECT 115200”, then I can typing in messages, send them to the other end.  
Then how do I hang up this data call?

I have to power off MC8775 board at this stage.

Thanks

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**Author:** ![Rex\_alex](https://avatars.discourse-cdn.com/v4/letter/r/73ab20/32.png) [@Rex\_alex](https://forum.sierrawireless.com/u/Rex_alex)\
**Post date:** [September 11, 2013, 9:36am UTC](https://forum.sierrawireless.com/t/mc8775-data-call-hang-up/6719/2 "2013-09-11T09:36:00Z")

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Hi,

did u try giving +++ to come out of data mode?

Thanks

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**Author:** ![davidc](https://avatars.discourse-cdn.com/v4/letter/d/a183cd/32.png) [@davidc](https://forum.sierrawireless.com/u/davidc)\
**Post date:** [September 12, 2013, 6:14am UTC](https://forum.sierrawireless.com/t/mc8775-data-call-hang-up/6719/3 "2013-09-12T06:14:15Z")

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Hiya,

and then ATH after the +++

ciao, Dave