HT802v2
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: '''Fax Mode''': T.38 (if you are using it for faxing with a VoIP.ms FAX POP server) | : '''Fax Mode''': T.38 (if you are using it for faxing with a VoIP.ms FAX POP server) | ||
: '''T.38 Max Bit Rat'''e: 14400 bps | : '''T.38 Max Bit Rat'''e: 14400 bps | ||
Revision as of 16:27, 15 August 2025
📖 VoIP.ms Grandstream HT802 V2 Setup Guide
Contents |
Overview
This guide walks you through configuring a Grandstream HT802 V2 with VoIP.ms. It supports: - Voice service - Fax (T.38 or G.711 pass-through)
Requirements
- Grandstream HT802 V2
- Latest firmware installed (check Grandstream site)
- VoIP.ms account with a configured DID and a sub-account
- Internet access via Ethernet
- Phone or fax device connected to FXS Port 1
Logging into the Web Interface
- Connect the HT802 to your network and power it on.
- Pick up the connected phone, dial:
- ***02 (Star Star Star 0 2)
The ATA will read its IP address. Open a browser and go to that IP (e.g., http://192.168.1.50).
- Login
- Username: admin
- Password: found on device label (or as set by you)
General Settings (FXS PORT1)
- Account Active: ✅ Checked
- Primary SIP Server: popserver.voip.ms (or your nearest VoIP.ms POP)
- Failover SIP Server Optional: backup POP
- Prefer Primary SIP Server No
- SIP User ID Your VoIP.ms sub-account number
- SIP Authenticate ID Same as SIP User ID
- SIP Authentication Password Your VoIP.ms SIP password
- NAT Traversal Keep-Alive (recommended)
- Click Save and Apply.
SIP Settings Tab
- Register Expiration: 120 seconds
- Enable SIP OPTIONS Keep Alive: Yes
- Local SIP Port: 5060 (change if multiple ATAs)
- Disable extra headers:
- Privacy Header → No
- P-Preferred-Identity Header → No
- P-Access-Network-Info → No
- P-Emergency-Info → No
Codec Settings Tab
- Preferred Vocoder (in all sessions): G722, (G.711 μ-law) then set G711 for the rest.
Advanced Settings
- Allow incoming SIP messages from SIP proxy only: Enabled
- Disable Local Call Features: Yes
Faxing
- Fax Mode: T.38 (if you are using it for faxing with a VoIP.ms FAX POP server)
- T.38 Max Bit Rate: 14400 bps
- Jitter Buffer: Fixed, High
Testing
- Reboot the ATA after applying settings.
- Check Status tab → Registration should be Yes.
- Dial: 4443 for a Voice Echo Test.
