# How do I implement call forwarding

**URL:** <https://community.asterisk.org/t/how-do-i-implement-call-forwarding/106458>\
**Category:** Asterisk Support\
**Created:** [January 20, 2025, 7:45am UTC](https://community.asterisk.org/t/how-do-i-implement-call-forwarding/106458 "2025-01-20T07:45:31Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![fish\_cat](https://sea1.discourse-cdn.com/asterisk/user_avatar/community.asterisk.org/fish_cat/32/8862_2.png) [@fish\_cat](https://community.asterisk.org/u/fish_cat)\
**Post date:** [January 20, 2025, 7:45am UTC](https://community.asterisk.org/t/how-do-i-implement-call-forwarding/106458/1 "2025-01-20T07:45:31Z")

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Use asterisk + Waveshare sim7600 gh and then install sim card A in sim7600, and then mobile phone user B dials A’s mobile phone number, and then how to transfer the call to C mobile phone number, to achieve B and C direct call, similar to the function of call transfer

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**Author:** ![david551](https://avatars.discourse-cdn.com/v4/letter/d/3bc359/32.png) [@david551](https://community.asterisk.org/u/david551)\
**Post date:** [January 20, 2025, 8:50am UTC](https://community.asterisk.org/t/how-do-i-implement-call-forwarding/106458/2 "2025-01-20T08:50:22Z")

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> [@fish\_cat](#):
>
> Waveshare sim7600 gh

This appears to be some sort of dongle, so is probably accessed through chan\_dongle, which is not an officially supported channel driver, and no longer appears to receive support from its developer.

I don’t know how to achieve this from even a normal mobile phone, so I am not sure it is possible, but if it is possible, the channel driver would need to support the transfer application, or a mechanism to send AT commands mid call.

If it is possible, you should expect to be charged for the redirected leg.

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**Author:** ![Pooh](https://avatars.discourse-cdn.com/v4/letter/p/f05b48/32.png) [@Pooh](https://community.asterisk.org/u/Pooh)\
**Post date:** [January 20, 2025, 8:55am UTC](https://community.asterisk.org/t/how-do-i-implement-call-forwarding/106458/3 "2025-01-20T08:55:08Z")

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On Monday 20 January 2025 at 08:56:17, fish\_cat via Asterisk Community wrote:

> user B dials A’s mobile phone number, and then how to transfer the call to C  
> mobile phone number, to achieve B and C direct call

You will never achieve this using Asterisk. It will always remain in both the  
switching and media paths.

B → Asterisk → C, yes

B → C, no

Antony.

–  
Too many people spend money they haven’t earned  
to buy things they don’t want,  
to impress people they don’t like.

- Will Rogers

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**Author:** ![fish\_cat](https://sea1.discourse-cdn.com/asterisk/user_avatar/community.asterisk.org/fish_cat/32/8862_2.png) [@fish\_cat](https://community.asterisk.org/u/fish_cat)\
**Post date:** [January 20, 2025, 9:14am UTC](https://community.asterisk.org/t/how-do-i-implement-call-forwarding/106458/4 "2025-01-20T09:14:24Z")

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Thank you for your answer. Can I use same =\> n,ChannelRedirect

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**Author:** ![Pooh](https://avatars.discourse-cdn.com/v4/letter/p/f05b48/32.png) [@Pooh](https://community.asterisk.org/u/Pooh)\
**Post date:** [January 20, 2025, 9:29am UTC](https://community.asterisk.org/t/how-do-i-implement-call-forwarding/106458/5 "2025-01-20T09:29:25Z")

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On Monday 20 January 2025 at 10:25:12, fish\_cat via Asterisk Community wrote:

> Thank you for your answer. Can I use same =\> n,ChannelRedirect

That is for redirecting internal Asterisk channels. It has no effect whatever  
on external connections, and specifically, whether they continue to pass  
through Asterisk or not.

Antony.

–  
Schrödinger’s rule of data integrity: the condition of any backup is unknown  
until a restore is attempted.

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**Author:** ![fish\_cat](https://sea1.discourse-cdn.com/asterisk/user_avatar/community.asterisk.org/fish_cat/32/8862_2.png) [@fish\_cat](https://community.asterisk.org/u/fish_cat)\
**Post date:** [January 20, 2025, 9:50am UTC](https://community.asterisk.org/t/how-do-i-implement-call-forwarding/106458/6 "2025-01-20T09:50:46Z")

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I see. Thank you

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**Author:** ![system](https://global.discourse-cdn.com/asterisk/original/2X/4/475d0c889911cfb84ac4881ad6df8b523e3f9105.png) [@system](https://community.asterisk.org/u/system)\
**Post date:** [February 19, 2025, 9:51am UTC](https://community.asterisk.org/t/how-do-i-implement-call-forwarding/106458/7 "2025-02-19T09:51:25Z")

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