
Chapter 4 – Configuring Your MultiVOIP
FXS Loop Start Interface: Parameter Definitions (continued)
Field Name | Values | Description |
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Flash Hook Options fields |
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Generation | ‐‐ | Not applicable to FXS interface |
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Detection Range | for Min. and Max., | For a received flash hook to be regarded as such by the MultiVOIP, its |
| 50 ‐ 1500 | duration must fall between the minimum and maximum values given here |
| milliseconds |
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Pass Through Enable | Y/N | When enabled, this parameter creates an open audio path through the |
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| MultiVOIP. |
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| If the Pass‐Through feature is enabled, the AutoCall feature must be enabled |
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| for this VOIP channel in the Voice/Fax Parameters window |
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Caller ID fields |
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Type | Bellcore | The MultiVOIP currently supports only one implementation of Caller ID. That |
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| implementation is Bellcore type 1 with Caller ID placed between the first and |
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| second rings of the call. |
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Enable | Y/N | Caller ID information is a description of the remote calling party received by |
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| the called party. The description has three parts: name of caller, phone |
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| number of caller, and time of call. The ‘time‐of‐call’ portion is always |
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| generated by the receiving MultiVOIP unit (on FXS channel) based on its date |
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| and time setup. |
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| The forms of the ‘Caller Name’ and ‘Caller Phone Number’ differ depending |
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| on the IP transmission protocol used (H.323, SIP, or SPP) and upon entries in |
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| the phonebook windows of the remote (CID generating) VOIP unit. The CID |
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| Name and Number appearing on the phone at the terminating FXS end |
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| comes either from a central office switch (showing a PSTN phone number), |
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| or the phonebook of the remote (CID sending) VOIP unit. |
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CID Manipulation | Enabled by default | This is not implemented in the |
| with Caller ID | Caller ID Manipulation is used whenever the user wants to manipulate the |
| enable above | Caller ID before sending it to the remote end. Caller ID Manipulation is |
| Disable | activated on the Interface Window. By enabling Caller ID option, you can set |
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| manipulation to Transparent, User CID, Prefix, Suffix, or Prefix and Suffix. |
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| Caller ID Manipulation is a feature, where the Caller ID detected from the |
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| PSTN line can be changed and then sent to the remote side over IP. |
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CID Mode | Transparent, | The MultiVOIP is not allowed to modify the caller ID info and then send it |
| User CID, | to the PSTN side. It only allows it to detect the caller ID from the PSTN line, |
| Prefix, | modify it and then send them via IP to the remote end point. |
| Suffix | Transparent: the CID received from PSTN is sent out as such, without any |
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| manipulation. |
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| User CID: the CID received from PSTN is replaced by this User CID value. |
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| Prefix: the CID received from PSTN is prefixed with this value. |
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| Suffix: the CID received from PSTN is suffixed with this value. |
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46 | MultiVOIP® Voice/Fax over IP Gateways |