Grandstream Networks GXW42 Series Configuration Manual
Alarm system
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Also See for GXW42 Series:
- User manual (54 pages) ,
- Settings manual (25 pages) ,
- User manual (70 pages)
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Summary of Contents for Grandstream Networks GXW42 Series
- Page 1 Grandstream Networks, Inc. GXW42xx/HT8xx Alarm System Configuration Guide...
- Page 2 GXW42xx/HT8xx Alarm System Guide Introduction This guide provides an overview for configuring a VoIP gateway or ATA for an alarm system with different DTMF tone transmission modes. The settings discussed are done to optimize performance and resolve common issues related to alarm system communication. The focus is on configuring devices for compatibility with RFC2833, InAudio, and SIP INFO modes.
- Page 3 1. RFC2833 Event Count = 3 What It Does: This defines how many DTMF packets (or events) are transmitted for each DTMF tone pressed. The number “3” means that three separate packets will be sent per keypress. Why It Matters: Sending multiple packets increases the reliability of tone transmission. Even if some packets are lost during transmission, the system will still have enough data to recognize the DTMF tone correctly.
- Page 4 SIP INFO Mode SIPINFO mode transmits DTMF tones using SIP (Session Initiation Protocol) messages, rather than embedding them in the audio stream. This method is useful when a system cannot reliably handle DTMF tones through audio channels, and it sends the tones out-of-band as control signals. Below are the detailed steps and explanations for configuring DTMF tones in SIP INFO mode: 1.
- Page 5 Can’t find the answer you’re looking for? Don’t worry we’re here to help! CONTACT SUPPORT...
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