Documentation for Developer/Administrators
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  • About this Documentation
  • Overview
    • Table of Content
    • Introduction
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      • Add Balance
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        • SMS Forwarding
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      • Phone Numbers
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      • Porting
      • Send FAX
      • FAX Emails
      • SMS Groups
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      • CNAM
    • Interconnection
      • Manage IP
      • SIP Accounts
      • Testing Center
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      • Contact Us
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  • SIP Trunking
    • Configuration of Phone Numbers
      • Configuring SIP to IP Account
      • Configuring Custom Dial Plan to a Phone Number
      • Configure SIP to SIP Account
      • Set up Call Forwarding to a Phone Number
      • http URL Forwarding Setup
      • Webhook Setup
      • FAX
        • Receive FAX
        • Fax through SIP Account
        • Send FAX
    • Adding IP Address
    • Creating SIP Account
      • VoiceMails
    • SIP Trunk Interconnection Guide
      • 3CX
        • SIP-based Configuration
        • IP-based Configuration
      • Allworx
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        • FreePBX PJSIP Configuration
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        • FreePBX ChanSIP Configuration
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      • FreeSwitch
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      • Grandstream Devices
        • GrandStream 6102 IPPBX
        • GrandStream 502
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      • HoduSoft PBX System
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      • NEC Corporation
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      • Polycom OBi300
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    • DIDForSale Softphone
    • Zoiper Softphone Application
      • Iphone App
    • Grandstream Wave Mobile Application
    • Enable Call Recording
    • Call Transcription
  • Voice and SMS APIs
    • Getting the API key and Token
    • Voice
      • Big Picture
      • Quick Start
        • Identify Caller
        • Collect Response
      • didML Reference Doc
        • Voice API Request Params
        • Voice API Response
      • didML Verbs
        • <dial>
          • <client>
          • <conference>
          • <number>
          • <queue>
          • <sip>
        • <enqueue>
        • <fax>
        • <gather>
        • <hangup>
        • <pause>
        • <play>
        • <postcall>
        • <record>
        • <recordcall>
        • <redirect>
        • <reject>
        • <say>
        • <sms>
    • SMS
      • Configure SMS
      • Send/Receive SMS via Email
      • SMS Forwarding
        • SMS forwarding to Phone Number
        • SMS forwarding to Email
        • SMS forwarding to a Webhook
      • SMS/MMS Desktop Application
      • SMS APIs
        • Activate SMS
        • Deactivate SMS API
        • Send SMS
        • SMS CDR
        • Set SMS Forwarding
      • Bulk SMS Feature
        • Creating SMS Campaign
        • Custom or Dynamic Text Sms
  • UC Editor
    • UC Editor
      • Features
      • How to configure/setup the Custom Call Flow
  • FAX via Email
    • Send & Receive FAX via Email
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  1. SIP Trunking
  2. SIP Trunk Interconnection Guide

Yealink Phones

Yealink is a global leading provider of unified communication & collaboration solutions. It has built up a panoramic collaboration solution of audio and video conferencing by merging its cloud service

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Last updated 1 year ago

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Configure Yealink T48G with DIDFOrSale SIP Trunking Service. Before you start configuring the Device, let's create a SIP Account at DIDForSale for this device to register.

Configure Yealink Phone T48G

  • Find the IP address of the device. Click on OK button on the phone to View the IP.

  • Open the browser and type in the IP address.

  • Login in the phone. Default username and password is admin/admin

Yealink Phone Main portal.

To Configure SIP account, Select Account. In drop down menu, select the account numbers you want to configure. PS: Yealink has many phone models ranging from 2 account to 16 accounts. Registration and configuration method is same for all.

You must have received an email for username, password and domain. Use the information on this screen and then click on Save.

Once you click on save, status will change to Registered. PS: Default transport port if UDP, If you experience issue of lost registration, change the Transport to UDP. This happens cause some routers close the UDP connection after few minutes. Changing the transport to TCP should fix the issue.

Update Codec and Advanced Configuration. DIDForSale support ULAW and G729. To Configure the Codecs, Select the account -> Codec. Manage the list of supported codex in Enable Codecs and Click on Confirm.

Advanced Configurations. Change Rport to Enable. This is important, specially if you have multiple SIP devices in the network.

All done, now you should be able to send and receive calls from this phone. Remember to configure the phone number in didforsale portal to receive calls on this SIP account.

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Yealink Login Screen
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Yealink Phone SIP Configuration
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Yealink Advanced Configuration