Grandstream Networks HT503 Setup

6. FXO Port
a. Account Active – Choose “Yes”
b. Primary SIP Server (The Lynx Controller IP Address)
c. Outbound Proxy (The Lynx Controller IP Address)
d. SIP User ID (PSTN1-5)
e. Authenticate ID (same as SIP User ID)
f. Authenticate Password “RevConLynx”
g. Name (same as SIP User ID)
h. SIP Registration - Choose “Yes”
i. Local SIP port “5060”
j. Use Random Port – Choose “No”

Grandstream Networks HT503 Specifications

General

Brand	Grandstream Networks
Model	HT503
Category	Telephone Accessories
Language	English