Grandstream HT502 IVR
From PhonePower Knowledge Base
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Contents
Hardware Images
HT502 Front
HT502(Black Red Label) Front
HT502(Black Green Label) Front
Factory resetting
You can factory reset the device either with the button on the back by holding it in for 20 seconds then releasing -OR- if you use telnet to access to the device you can type reset to factory reset the device.
Remote access
Remote access can be enabled by using the IVR. You can also log into the GUI of the device and set WAN Side HTTP/Telnet Access to Yes from the basic settings page.
Default LAN IP
192.168.2.1
Default Web Port
80
User level password
123
IVR code
| Menu | Voice Prompt | Options |
| Main Menu | “Enter a Menu Option” | Press “*” for the next menu option Press “#” to return to the main menu Enter 01-05, 07,10, 12-17,47 or 99 menu options |
| 01 | “DHCP Mode”, “Static IP Mode” | Press “9” to toggle the selection If using “Static IP Mode”, configure the IP address information using menus 02 to 05. If using “Dynamic IP Mode”, all IP address information comes from the DHCP server automatically after reboot. |
| 02 | “IP Address “ + IP address | The current WAN IP address is announced If using “Static IP Mode”, enter 12 digit new IP address. You need to reset the HT502 to take affect the new IP address. |
| 03 | “Subnet “ + IP address | Same as menu 02 |
| 04 | “Gateway “ + IP address | Same as menu 02 |
| 05 | “DNS Server “ + IP address | Same as menu 02 |
| 07 | Preferred Vocoder | Press “9” to move to the next selection in the list:
PCM U / PCM A |
| 10 | “MAC Address” | Announces the Mac address of the unit. |
| 12 | WAN Port Web Access | Press “9” to toggle between enable / disable |
| 13 | Firmware Server IP Address | Announces current Firmware Server IP address. Enter 12 digit new IP address. |
| 14 | Configuration Server IP Address | Announces current Config Server Path IP address. Enter 12 digit new IP address. |
| 15 | Upgrade Protocol | Upgrade protocol for firmware and configuration update. Press “9” to toggle between TFTP / HTTP / HTTPS |
| 16 | Firmware Version | Firmware version information. |
| 17 | Firmware Upgrade | Firmware upgrade mode. Press “9” to toggle among the following three options: - always check - check when pre/suffix changes - never upgrade |
| 47 | “Direct IP Calling” | Enter the target IP address to make a direct IP call, after dial tone. IP calling is disabled by Phone Power |
| 70 | Phone calls between FXS 1 and FXS 2 port | User can make internal calls between two FXS ports on the same HT502 even without being registered to SIP server. By dialing *** and 70 user can reach the other FXS port |
| 86 | Voice Mail | Number of Voice Mails Phone Power provides Voicemail via *21 - this IVR function is not used |
LED Light Codes
| LEDs | |
| POWER LED | Indicates Power. Remains ON when power is connected |
| WAN LED | Indicates LAN (or WAN) port activity |
| LAN LED | Indicates PC (or LAN) port activity |
| PHONE1 / PHONE2 LED | Indicate status of the respective FXS Ports-PHONE1 / PHONE2 on the back panel Busy – ON (Solid Green) Available – OFF Slow blinking FXS LEDs indicates voicemail for that port. |
Technical Specifications
| Telephone Interfaces | 2 FXS ports, 2 SIP accounts |
| Network Interface | 1 RJ45 for LAN, 10/100 Base-TX, Full Duplex 1 RJ45 for WAN,10/100Base-TX, Full Duplex |
| LED Indicators | Power, WAN, LAN, PHONE1 and PHONE2 |
| Reset Button | Factory Reset button |
| Voice over Packet Capabilities | Voice Activity Detection (VAD) with CNG (comfort noise generation) and PLC (packet loss concealment), Dynamic Jitter Buffer, Modem detection & auto-switch to G.711, Packetized Voice Protocol Unit (supports RTP/RTCP and AAL2 protocol), G.168 compliant Echo Cancellation, LEC (line echo cancellation) with NLP, Asymmetric RTP stream |
| Voice Compression | G.711 + Annex I (PLC), Annex II (VAD/CNG format) encoder and decoder, G.723.1A, G.726(ADPCM), G.729A/B/E, iLBC, G.726 provides proprietary VAD, CNG, and signal power estimation, Voice Play Out unit (reordering, fixed and adaptive jitter buffer, clock synchronization), AGC (automatic gain control), Status output, Decoder controlling via voice packet header |
| DHCP Server/Client | Yes, NAT Router or Switched Mode |
| Telnet Server | Yes |
| Fax over IP | T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through, Fax Datapump V.17, V.19, V.27ter, V.29 for T.38 fax relay |
| QoS | Diffserve, TOS, 802.1 P/Q VLAN tagging |
| IP Transport | RTP/RTCP |
| DTMF Method | Flexible DTMF transmission method, user interface of In-audio, RFC2833, and/or SIP Info |
| IP Signaling | SIP (RFC 3261) |
| Ring Equivalency Number | 3 |
