# Exceed buffer while attempting to send SMS

**URL:** <https://mangoh.discourse.group/t/exceed-buffer-while-attempting-to-send-sms/9134>\
**Category:** Uncategorized\
**Created:** [May 9, 2021, 1:45am UTC](https://mangoh.discourse.group/t/exceed-buffer-while-attempting-to-send-sms/9134 "2021-05-09T01:45:11Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![jyijyi](https://sea2.discourse-cdn.com/flex016/user_avatar/mangoh.discourse.group/jyijyi/32/997_2.png) [@jyijyi](https://mangoh.discourse.group/u/jyijyi)\
**Post date:** [May 9, 2021, 3:10am UTC](https://mangoh.discourse.group/t/exceed-buffer-while-attempting-to-send-sms/9134/2 "2021-05-09T03:10:18Z")

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It seems it is too long, you can shorten the size first.

Btw, You can try with sending sms with pdu mode in AT command first

> [@Testing Issue with RC7620 on MangOH evaluation board](https://mangoh.discourse.group/t/testing-issue-with-rc7620-on-mangoh-evaluation-board/8602/9):
>
> Hello, Could you please elaborate on the said PDU mode.

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_[View the full topic](https://mangoh.discourse.group/t/exceed-buffer-while-attempting-to-send-sms/9134)._