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AudioCodes Mediant 500 M500 SBC VoIP Gateway 1x T1/E1 PRI 4x GE GGWA00031 Tested For Sale

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AudioCodes Mediant 500 M500 SBC VoIP Gateway 1x T1/E1 PRI 4x GE GGWA00031 Tested

Price: US $299.00

AudioCodes Mediant 500 hybrid Enterprise SBC / media gateway with a single E1/T1 PRI interface and four Gigabit Ethernet ports. Model M500/ESBC/E1T1, P/N GGWA00031, CPN M500B/V/1ET/CH/ALU, serial D11098129 (photo 14). Bridges a legacy PRI PBX or carrier circuit to SIP trunks, an IP-PBX, Microsoft Teams/Skype for Business or a hosted UC x E1/T1 PRI port (RJ-48), up to 23 (T1) / 30 (E1) voice channels; ISDN PRI and CAS signaling

4 x 10/100/1000 Mbps Ethernet (GE) ports, 2 x USB, RJ-45 console

2 DSP cores, 31 DSP channels, 512 MB RAM, 64 MB flash

Firmware 7.20A.156.009 (Web GUI + CLI)

Installed license (photo 8): 1 x E1 trunk + 1 x T1 trunk, ISDN + CAS, 31 DSP channels, RTP, IPMedia Detector, coders G.723 / G.729 / G.727 / GSM-FR / G.722, SIP, Skype for Business ELIN, VXML, IPSec, media encryption (SRTP), strong encryption, encrypted control protocol, EMS, Firewall & VPN. No SBC session license is included.

100-240 V AC internal power supply, about 11.8 x 7.9 x 1.7 in, 4 lb 8 oz with cord

Tested Sep 7, 2026: PRI trunk configured as T1 NI2 ISDN, ESF/B8ZS, network side, clock master, and linked to a Digium G400 over a T1 crossover. Trunk status "Active - OK" with all 23 B-channels available and the D-channel established; no trunk alarms (screenshots 9-11, the only active alarms are the unplugged LAN ports 2-4). All four Gigabit ports, both USB ports and the console port are functional. The device was then restored to factory defaults and reset (photos 12-13): IP 192.168.0.2, default Admin login, no trunks or routing configured, license key retained.

Included: Mediant 500 unit, US power cord (photo 4).
NOT included: original box, rack-mount shelf kit (this is a desktop form factor; AudioCodes rack kit is a separate part), console cable, T1 cable. You get exactly what is pictured.

Shipping: ships within 1 business day from Brooklyn, NY via USPS with tracking, wrapped and boxed with padding. US only. Local pickup available.

Returns: 30-day returns accepted. Questions before buying are welcome - happy to send more screenshots.