Grandstream Networks HT503 Setup

o. Current Disconnect Threshold “300”
p. Enable PSTN Disconnect Tone Detection – Choose “Yes”
q. Number of Rings “1”
r. PSTN Ring Thru FXS – Choose “No”
s. PSTN Idle Wait Timeout between Outgoing Calls “0”

Grandstream Networks HT503 Specifications

General

Brand	Grandstream Networks
Model	HT503
Category	Telephone Accessories
Language	English