# Iphone App

Step 1: Create SIP account on your DIDforsale portal

Step 2: Download the app on your device. 

Step 3: Open the application. Click on settings on the first screen that appears.

![Zoiper App](/files/-LZG3CRfge-QKyEv8RE6)

Click on "Accounts".

![Accounts](/files/-LZG3d-NaZX2dtLggYdz)

Click on SIP accounts and click on Yes when the pop up opens up asking "Do you already have an account".

![](/files/-LZG3gvVyyT77KxhA_NH)

Click on "Manual Configuration".

![Manual configuration](/files/-LZG3jaQ4Bgv2oFWoJ5P)

Go to SIP Account.

![](/files/-LZG49DAdgdVhNrJKene)

Enter the Account name domain, username, and password. Select "use outbound proxy".

![](/files/-LZGCFUi54-wu0Fs0f9k)

In Additional Settings, click on "Audio Codecs" and in the next screen, update as shown below.

![](/files/-LZG4YHegH-pOFCjfku1)

Enable a-law and u-all.

![](/files/-LZG4N0JL89TdxFFtxaD)

In Network Settings: Enable IPv6, Enable STUN. In Additional settings, select enable on start.

![Network Setting](/files/-LZG4HrkvhJZVuXOlgKQ)

Click on Register.

![Register](/files/-LZG99UEwe8HsTJD9om5)

Wait for the Registration Status to show "OK", as shown below.

![](/files/-LZG9JgLXSWQQY8WLnh_)

Finally, in Accounts, you can see that your SIP Account is enabled( with a green tick mark).

![Registered](/files/-LZGCd71_xq5tooIU3Xj)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.didforsale.com/sip-trunking/configure-zoiper-app/iphone-app.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.