ELTEX SMG-4 - E1 Streams

SMG digital gateway 45
– When an IAM (the SS7 protocol) or SETUP (the PRI protocol) message received with redirection
information—the number from the Redirecting Number field.
– When message 302 (the SIP protocol) is received—the number from the To field.
When the Save Redirection Tag checkbox is checked, the following field is added for redirected calls:
;2013-10-09 17:58:26;5;16;user answer;192.168.0.2;trunk-
SIP;TrunkGroup01;650000;650000;1;1;001;001;0.0.0.0;trunk-SS7;TrunkGroup00;650023;650023;2013-10-09
17:58:24;2013-10-09 17:58:31;redirecting;
where
redirecting—a redirection tag.
The redirection tag may have the following values:
 redirecting—the caller has redirected the call to the callee;
 redirected—the call initiated by the caller has been redirected to another subscriber.
4.1.5 E1 Streams
This section
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describes configuration of signalling and parameters for each E1 stream.
4.1.5.1 Signalling Protocol Selection
To select a signalling protocol for a stream, use the
Signalling Protocol drop-down list.
The device supports the following signalling protocols:
 Q.931 (User, Network);
 SS7 (ОКС-7);
 QSIG for subscriber name transmission;
 CorNet for subscriber name transmission.
4.1.5.2 Configuration of Physical Parameters
Physical settings
 Enable—the stream is physically enabled.
 CRC4 xmit/control—CRC4 checksum is generated
during transmission and checked during reception.
 Equalizer—when checked, amplifies the
transmitted signal.
 Alarm indication—when checked, a local stream
fault results in fault indication (the ALARM LED
turns on and the alarm is registered in the alarm
log).
 Remote alarm indication—when checked, a
remote stream fault results in fault indication (the
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Only one E1 stream is available in an SMG-2 device by default. To activate another one, a special licence is required. For
more information about licences, see section 4.1.19 Licence RenewalLicence Renewal.