• Cisco VG310 Analog Voice Gateway with 24 FXS ports and 2x 1G RJ-45
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Cisco

Cisco VG310 | Analog Voice Gateway | 24 FXS | 2x 1G RJ-45 | SIP/SCCP | T.38 Fax | SRST | PVDM3-64 DSP

VG310

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Description

Enterprise analog voice gateway delivering 24 FXS ports for connecting legacy phones, faxes, and paging systems to IP telephony. Dual 10/100/1000 RJ-45 uplinks, integrated DSP (PVDM3-64) for voice features, and support for SIP/SCCP registration with CUCM/CME or standalone SIP trunking. T.38 fax, QoS, VLAN tagging, and secure signaling/media options for branch or campus deployments.

Features

- 24 FXS ports for analog endpoints
- Dual 1G Ethernet uplinks for redundancy and segmentation
- SIP/SCCP flexibility with CUCM/CME or SIP trunking
- Integrated PVDM3-64 DSP for rich voice features
- T.38 fax and robust DTMF support
- QoS and VLAN for predictable voice quality
- SRST survivability for branch resilience

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Analog interfaces: 24x FXS ports
- Network uplinks: 2x 10/100/1000BASE-T (RJ-45)
- Call control: SIP, SCCP
- Survivability: SRST support
- Fax: T.38 and passthrough
- Codecs: G.711 a/u-law, G.729a/b
- DTMF: RFC 2833 (out-of-band) and in-band
- DSP resources: PVDM3-64 included
- Security: TLS/SRTP (license/config dependent)
- Management: CLI, SNMP, syslog
- QoS: LLQ, traffic shaping, VLAN tagging
- Form factor: Rack-mountable

FAQs

Q: Which platforms can this register to?
A: It supports SIP or SCCP registration to enterprise call control (e.g., CUCM/CME) and can operate as a standalone SIP gateway with SIP trunks.

Q: Does it include DSP resources?
A: Yes, it includes PVDM3-64 for voice features such as conferencing, transcoding, and tone detection.

Q: Are FXO ports available on this model?
A: No. This model provides 24 FXS ports only. If you need FXO, consider mixed FXS/FXO models in the same series.

Q: Is T.38 fax supported?
A: Yes, T.38 fax relay and fax passthrough are supported.

Q: What network speed is supported?
A: Two auto-negotiating 10/100/1000 Mbps copper Ethernet ports.

Q: Does it support SRST for analog phones?
A: Yes, SRST is supported for survivable dial tone and basic call features during WAN outages.

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