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| SIP T1 Timeout |
| T1 is an estimate of the |
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| If the network latency is high, select larger value for more reliable usage. |
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| SIP T2 Interval |
| Maximum retransmission interval for |
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| DTMF Payload Type |
| Sets the payload type for DTMF using RFC2833. |
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| Preferred DTMF method |
| The HT502 supports up to 3 different DTMF methods including |
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| (RFC2833) and via Sip Info. The user can configure DTMF method in a priority list. |
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| Disable DTMF |
| Default is No. If set to yes, use above DTMF order without negotiation |
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| Negotiation |
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| DTMF via RFC2833 |
| Send DTMF via RTP (According to RFC 2833). |
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| DTMF via SIP INFO |
| Send DTMF via SIP INFO message. |
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| Send Flash Event |
| Default is No. If set to yes, flash will be sent as DTMF event. |
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| Enable Call Features |
| Default is Yes. (If Yes, call features using star codes will be supported locally) |
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| Offhook |
| This parameter allows users to configure a User ID or extension number that is |
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| automatically dialed when |
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| entered here. The HT502 will automatically append the “@” and the host portion of the |
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| corresponding SIP address. |
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| SIP Extension to notify SIP server that the unit is behind the NAT/Firewall. |
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| Use NAT IP |
| NAT IP address used in SIP/SDP message. Default is blank. |
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| Distinctive Ring Tone |
| Custom Ring Tone 1 to 3 with associate Caller ID: when selected, if Caller ID is |
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| configured, then the device will ONLY uses this ring tone when the incoming call is |
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| from the Caller ID. System Ring Tone is used for all other calls. When selected but no |
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| Caller ID is configured, the selected ring tone will be used for all incoming calls. |
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| Distinctive ring tones can be configured not only for matching a whole number, but also |
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| for matching prefixes. In this case symbol * (star) will be used. |
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| For example: |
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| if configured as *617, Ring Tone 1 will be used in case of call arrived from the area |
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| code 617. Any other incoming call will ring using cadence defined in parameter System |
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| Ring Cadence located under Advanced Settings Configuration page. |
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| Note: If server supports |
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| distinctive ring tone |
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| server will be used. Bellcore rings and tones are independent from custom ring tones. |
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| The custom ring tones can also be specified by |
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| Disable Call Waiting |
| Default is No. If set to YES Call Waiting indication information will not be provided to |
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| analog phone connected to this FXS port. |
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| Disable |
| Default is No. If set to YES Call Waiting caller ID will not be provided to analog phone |
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| Caller ID |
| connected to this FXS port. |
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| Disable Call Waiting |
| Default is No. This is to disable the stutter Call Waiting Tone when a Call Waiting |
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| Tone |
| information arrives. The CWCID information will still be displayed. |
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| Disable Reminder Ring |
| Default is No. Do not play the reminder ring when this is set to Yes. |
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| for |
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| Disable Visual MWI |
| If set to “Yes”, the MWI information will not be transferred to the analog phone |
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| connected to the FXS port. |
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| Ring Timeout |
| Incoming call will stop ringing when not picked up given a specific period of time. |
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| Delayed Call Forward |
| Default value is 20 seconds. In case this feature activated using * codes (*92 code), the |
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| Wait Time |
| call will be forwarded after this preconfigured amount of time. |
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| No Key Entry Timeout |
| Default is 4 seconds. Dialing process is completed and outgoing call is initiated if no |
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| key entry occurs during this preconfigured interval. |
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| Early Dial |
| Default is No. Use only if proxy supports 484 response. | This parameter controls |
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| whether the phone will send an early INVITE each time a key is pressed when a user |
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| dials a number. If set to “Yes”, an INVITE is sent using the |
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| far; Otherwise, no INVITE is sent until the |
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| Grandstream Networks, Inc. |
| Page 25 of 32 | ||||
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| Firmware Version 1.0.4.2 | Last Updated: 06/2011 | ||