Prison Telephones
video
Prison Telephones

Prison Telephones

The SC-JL01 Prison Telephone is ideal for indoor use in secure environments like prisons and banks.

Description

Brief Introduction

 

The SC-JL01 Prison Telephone is ideal for indoor use in secure environments like prisons and banks. Its stainless steel casing and integrated design make it highly durable and tamper-resistant. Using standard IP/RTP voice transmission, it's compatible with leading SIP-based IP PBX, soft switch, and IMS platforms including Asterisk, 3CX, and Elastix.

 

Product Features

 

  1. Casing: Constructed from durable, corrosion-resistant SUS304 stainless steel in a single, robust, tamper-proof unit.
  2. Stores a single speed dial group, user-configurable through an IE browser interface.
  3. Auto-answers calls and disconnects automatically upon call termination, preventing line blockage.
  4. Adheres to the standard SIP protocol.
  5. Includes smart DSS keys (speed dial, intercom, etc.).
  6. Powered by PoE or 12V; no external power adapter needed.

 

Basic Parameters

 

Size

240*170*40MM

Weight

2KG

Audio output

3W

Shell material

stainless steel

Keyboard material

stainless steel

color

Silver

Communication mode

SIP protocol, analog

Installation method

Wall-mounted

Power supply

POE and DC are optional

 

product-997-677

 

Product Configuration

 

Network

  • SIP v1 (RFC2543), v2(RFC3261)
  • IP/TCP/UDP/RTP/RTCP
  • IP/ICMP/ARP/RARP/SNTP
  • TFTP Client/DHCP Client
  • Telnet/HTTP Server
  • DNS Client

Audio

  • G.711: 64k bit/s (PCM)
  • G.723.1: 6.3k / 5.3k bit/s
  • G.726: 16k / 24k / 32k / 40k bit/s (ADPCM)
  • G.729 A: 8k bit/s (CS-ACELP)
  • G.729B: adds VAD & CNG to G.729

Special Features

  • Hands-free communication enabled.
  • One-button dialing using speed dial.
  • Automatic call answering (configurable for single lines).
  • Voicemail available (requires server support).
  • Local three-party conference calls supported.

 

Dimensions

 

product-1282-629

 

FAQ

 

Q: Does this product have a quick dial function?

A:Yes,this product supports one-touch dialing.

 

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