Cortelco 2747 specification

oUser can easily observe if the VOIP 2747 is working normally and monitor the system status (network status, registering status) from the LCD panel display.

oA “PKT Trace” function is supported to display the packets received on the LCD panel and helps network administrator find the problem on line.

•Call with or without gatekeeper / proxy(direct IP dialing) :

oFollows standard SIP / H.323 protocol and is compatible with most existing SIP proxy / H.323 gatekeepers.

•Provides easy configuration methods:

oSetting by keypads on the phone.

oSetting by web browser.

•Supports RFC-3261, H.323, TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP, DNS, DHCP, NTP/SNTP, FTP, PPP, PPPoE protocols.

•Interoperable with most of the existing SIP/H.323 VoIP devices (IP-phone, gateway, gatekeeper, proxy, soft-switch, IP-PBX), including Microsoft NetMeeting, Cisco gateways / gatekeepers:

oPlease refer to the section 6.2/6.3 Interoperability List for a complete listing.

•The WAN Port works with either straight through or crossover Ethernet cable.

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Cortelco 2747 user manual

Contents

Voip IP Phone Configuration from Keypads Configuration on WEB Phone Book and Speed Dial Overview Introduction Key FeaturesPage Page Hardware Spec Hardware Specification Key parts of the Voip 2747 series IP Phone Rear Panel of the IP Phone Rear and Back side Panel of the Voip UP Key Keypad DefinitionLight LCD Display NET Down KeyVOL+ +OUT VOL Transfer See Section Redial / Dial CancelMenu / OK TXT ←→ NUM Phone Book Speed Dial M1 M10 LCD Menu List ¾ SIP Page Page Installation Environment Network Configuration Configuration from KeypadsDynamic IP Method Dhcp Static IP Method PPPoE Method Registration to a gatekeeper H.323 version Registration to GK / Proxy Server Registration to a proxy server SIP version Page Registration / Startup message Page Page Immediate Forward Call Forward Configurations No Answer Forward Configurations under View itemView current network settings Busy Forward Display current software version Packet Trace for signal monitoringAdvanced Configuration Restart ƒ Username root ƒ Password Web Configuration MAC Address Network Configuration on webBasic Others Time Zone H.323 Configuration on webForward Mode 1 H.323 Parameters Max Media Port SIP Configuration on webAdvanced Min Media Port Reg Expire SIP ParametersReg From Reg To Voice Phone Configuration on webRing Volume Prefix Ring Type Handset VolumeHandfree Volume CodecTxGain BG Noise Level System Configuration Receiving Calls Call Functions Making CallsCheck call history incoming / outgoing / missed calls Ringing Transfer RedialCall Forward Call Transfer Edit Call HoldPhone Book and Speed Dial 1.1 Add Attachment H.323 Interoperability List Speed Dial View SettingsSpeed Dial Change Settings Speed Dial Gateway GateKeeper Trunking Gateway SoftSwitchSIP Interoperability List Proxy Server Limited Warranty