# add a telephony extension

**URL:** <https://community.hubspot.com/t/add-a-telephony-extension/69258>\
**Category:** APIs & Integrations\
**Created:** [November 15, 2022, 5:40am UTC](https://community.hubspot.com/t/add-a-telephony-extension/69258 "2022-11-15T05:40:51Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Ashir27447](https://avatars.discourse-cdn.com/v4/letter/a/b5ac83/32.png) [@Ashir27447](https://community.hubspot.com/u/Ashir27447)\
**Post date:** [November 15, 2022, 5:40am UTC](https://community.hubspot.com/t/add-a-telephony-extension/69258/1 "2022-11-15T05:40:51Z")

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i wan to add a telephony extension for our pbx app. I already added our app’s telephony extension in zoho crm.

https://www.loom.com/embed/99416a7d5c5447019d04b92238ba306b

just see the video recording and let me know can i create an extension like this in hubspot

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**Author:** ![Jaycee\_Lewis](https://d10pqhm3lwygmk.cloudfront.net/user_avatar/community.hubspot.com/jaycee_lewis/32/61352_2.png) [@Jaycee\_Lewis](https://community.hubspot.com/u/Jaycee_Lewis)\
**Post date:** [November 16, 2022, 7:01pm UTC](https://community.hubspot.com/t/add-a-telephony-extension/69258/2 "2022-11-16T19:01:16Z")

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Hi, @Ashir27447 👋 All the available documentation lives here [Calling Extension SDK](https://github.com/HubSpot/calling-extensions-sdk)

If you are stuck on a specific challenge, updating your post or creating a new one, and adding details, allows the community to understand how and if they can assist. The community provides peer-to-peer support, but cannot function as an app building or code writing service.

If you are looking for someone to build it, or give you a specific step-by-step, you may want to reach out to a freelancer or partner to see if they can assist with specifics — [HubSpot Solutions Directory](https://ecosystem.hubspot.com/marketplace/solutions)

Best,

Jaycee