SIP Tech Specs
- 1. BusinessClassSIPTrunks Technical Specifications IP PBX Interface The ESG is the demarcation point to the TWC network. The customer is responsible for the LAN infrastructure and configuration, including the physical connection to the LAN port 2 on the ESG. The ESG can be connected either directly to the IP PBX, or to a switch, router or on-site Session Border Controller (SBC). • IP PBX dedicated LAN with static or DHCP IP Address • SIP Registration: Static with optional authentication • SBC Compliance: SIP Connect 1.1 support Fiber connections to the TWC network are managed by a dedicated router, DOCSIS connection use a cable modem. All calls are routed over the Time Warner Cable IP network; calls are never routed through the public internet. The VoIP configuration in the IP PBX should use a single subnet connecting to the ESG. SIP trunk ports, IP phones, auto-attendant, and voicemail ports should have IP addresses within the designated IP subnet. Use of devices outside that IP range may cause call failures or no audio. Customer Premise Equipment • ESG for fiber access sites • ESG and Cable Modem for Hybrid Fiber Coaxial (HFC) access sites ESG LAN Configuration • Bandwidth: 10 Mbps, 100 Mbps or 1Gbps (100 Mbps recommended) • Duplex: Full or Auto (Full recommended) • Registration: Static or DHCP (Static recommended) Physical Space Requirements • Rack Shelf to fit Gateway: 2.5”(H) x 7.8”(W) x 6.0”(D) • 110 volt AC Power Outlet (3) • Site Temp between 32 and 104 with adequate air circulation Supported CODECs • G.711 • T.38 for Fax • DTMF RFC2833 Site Access Customer must provide access to their site to TWC personnel (or approved contractors) for the purposes of installing or maintaining their services. This includes access to buildings and point of demarcation (LAN switch, patch panel or PBX/SBC) for service installation and maintenance. Power Customer will provide 3 outlets of unswitched 100V…120V AC power. Customer should provide an Uninterruptible Power Supply (UPS). In cases where no UPS is available, the ESG and cable modem will be equipped with battery supporting up to 4 hours talk time. The SIP Trunks equipment will draw a maximum of 50 watts. Custom Feature Support Consult your TWC Sales Engineer for support of custom IP PBX features and design configurations. LAN Configuration Changes Customer must notify TWC if any changes are made to the LAN configuration which could impact set-up with the ESG by calling the local Commercial Care contact number below. Network Monitoring TWC monitors the ESG and the cable modem 24/7 by ping polling the device every 5 minutes. Polling data includes registration failure, port down status and power failure. Real time alarms are sent directly to the Commercial Network Operations Center. Quality of Service (QoS) All network switches, routers and systems are configured for prioritized voice traffic. Service Level Agreement (SLA) TWCBC SIP trunks have a service level agreement of 99.97% availability excluding planned maintenance outages. Billing and Technical Support TWC provides assistance in trouble reporting for any billing, technical or SIP Trunks service related issues. Commercial Customer Care Contact Numbers East: 1-888-812-2591 Mid West: 1-888-286-3938 PacWest: (CA, CO, ID,WA,AZ): 1-888-881-5303 Texas: 1-877-892-3423 Copyright © 2014 Time Warner Cable, Inc. All right reserved. This documentation is the confidential and proprietary intellectual property of Time Warner Cable, Inc. Any unauthorized use, reproduction, preparation of derivative works, performance, or display of this document, or software represented by this document is strictly prohibited. Business Class SIP Trunks are designed to provide a cost effective and reliable voice service for your IP PBX equipment. Below are some key considerations and interface requirements for a successful implementation for the PBX Administrator and IT/Network team. A TWC-owned and managed Enterprise SIP Gateway (ESG) device is installed at the customer premise, connected to the customer’s IP PBX. TWC manages voice service through its own network, from the PSTN to the ESG.