Trunk interface templates

Templates are provided for the following trunk interfaces, and the supplied values for the parameters are shown in the following tables:

Table 1

Table 2: Table 3:
  • E1
  • E1 France
  • E1 Italy
  • E1 U.K.
  • E1 ISDN
  • E1 common channel signaling (CCS)
  • E1 common channel signaling (CCS) U.K.
  • E1 common channel signaling (CCS) Italy
  • T1
  • T1 (Aspect)
  • T1 ISDN (XPACK)
  • T1 common channel signaling (CCS)
Note: In the tables, a blank cell indicates that the parameter has no meaning for the protocol to which the template applies.
Table 1. Trunk interface: template values (1)

System Parameter

Access Level

E1

E1 France

E1 Italy

E1 U.K.

Answer Detect Time

 Field 60 ms      

Answer Detect Threshold

 Field -37 dBm      

Automatically Re-Enable After Hardware Failure

 Admin Yes Yes Yes Yes

Backup Time and Erase after DTMF (1 unit = 20 ms)

 Admin 5 units 5 units 5 units 5 units

CCS Signaling Link Mode

 Field None None None None

DP Receive Maximum Break

Field 100 ms 100 ms 60 ms 120 ms

DP Receive Minimum Break

Field 20 ms 20 ms 40 ms 40 ms

DP Receive Maximum Make

Field 60 ms 60 ms 60 ms 80 ms

DP Receive Minimum Make

Field 20 ms 20 ms 40 ms 20 ms

DP Transmit Break

 Field 60 ms 50 ms 50 ms 68 ms

DP Transmit Speed (pulse/sec)

 Field 10 10 6 10

DTMF Maximum Receive Level

 Admin 0 dBm -4 dBm -3 dBm -7 dBm

DTMF Minimum Receive Level

 Admin -43 dBm -41 dBm -24 dBm -43 dBm

DTMF Transmit Level, Low Frequency

 Field -8 dBm -8 dBm -8 dBm -10 dBm

DTMF Transmit Level Twist

 Field 2 dBm 2 dBm 2 dBm 2 dBm

DTMF Transmit On

 Field 50 ms 70 ms 80 ms 70 ms

DTMF Transmit Speed (digits/sec)

 Field 10 8 6 7

E1 Framing Mode

 Field Double Double Double Double

E1 Hit Filter (1 unit = 2 ms)

 Field 5 units 5 units 5 units 5 units

E1 Timeslot 0 Word

 Field 1101 1111 1101 1111 1101 1111 1101 1111

E1 Timeslot 16 Word

 Field 0000 1011 0000 1011 0000 1011 0000 1011

Hand Shake Threshold

 Field 6000 ms 6000 ms 6000 ms 6000 ms

Idle Channel Code

 Field E1 E1 UK/Italy UK/Italy

Interdigit Pause Receive

 Field 600 ms 300 ms 400 ms 180 ms

Interdigit Pause Transmit

 Field 1000 ms 350 ms 1000 ms 1000 ms

ISDN T1-NFAS Support

 Field No No No No

ISDN Trunk Identifier

 Admin 0 0 0 0

Maximum Playback Level

 Field -15 dBm -15 dBm -10 dBm -15 dBm

Maximum Silence Duration

 Field 12000 ms 12000 ms 10000 ms 120000 ms

Maximum Silence Level (1 unit = 0.5 dBm)

 Field -99 units -99 units -95 units -99 units

MFR1 Receive Level

 Field -50 dBm -50 dBm -50 dBm -50 dBm

Minimum Speech Level (1 unit = 0.5 dBm)

 Field -81 units -81 units -81 units -81 units

Music Absolute Silence Threshold

 Field -50 dBm -50 dBm -50 dBm -50 dBm

Music Channels Maximum

 Admin 1 1 1 1

Operating Status

 Admin Defined Defined Defined Defined

Record DTMF Level

 Admin -43 dBm -41 dBm -43 dBm -43 dBm

Send RAI

 Field No No No No

Settle Time

 Field 2000 ms 2000 ms 2000 ms 2000 ms

Signaling Trunk Identifier

 Admin        

Switch Encoding Law

 Field Default Default Default Default

Switch Type

 Admin Default France Telecom Italy PSTN CAS Mercury (UK)

T1 Bit Robbing

 Field        

T1 Framing Mode

 Field        

T1 Hit Filter (1 unit = 1.5 ms)

 Field        

T1 Line Code

 Field        

T1 Remote Alarm Format

 Field        
Trunk Interlock - EDL Admin Disabled Disabled Disabled Disabled

Trunk Signaling Mode

 Field CAS CAS CAS CAS
Table 2. Trunk interface: template values (2)

System Parameter

Access Level

E1 ISDN

E1 CCS

E1 CCS U.K.

E1 CCS Italy
Answer Detect Time Field 60 ms 60 ms 60 ms 60 ms
Answer Detect Threshold Field -37 dBm -37 dBm -37 dBm -37 dBm

Automatically Re-Enable After Hardware Failure

 Admin Yes Yes Yes Yes
Backup Time and Erase after DTMF (1␢unit = 20 ms) Admin 5 units 5 units 5 units 5 units
CCS Signaling Link Admin Yes Yes Yes Yes
CCS Signaling Link Mode Admin Primary None None None
CCS Signaling Link Name Admin        
CCS Signaling Link Timeslot Admin 16 16 16 16
DP Receive Maximum Break Field 100 ms 100 ms 120 ms 60 ms
DP Receive Minimum Break Field 20 ms 20 ms 40 ms 40 ms
DP Receive Maximum Make Field 60 ms 60 ms 80 ms 60 ms
DP Receive Minimum Make Field 20 ms 20 ms 20 ms 40 ms
DP Transmit Break (ms) Field 60 ms 60 ms 60 ms 50 ms
DP Transmit Speed (pulses/sec) Field 10 ms 10 ms 10 ms 10 ms
DTMF Maximum Receive Level Admin 0 dBm 0 dBm -7 dBm -3 dBm
DTMF Minimum Receive Level Admin -43 dBm -43 dBm -43 dBm -24 dBm
DTMF Transmit Level, Low Frequency Field -8 dBm -8 dBm -10 dBm -8 dBm
DTMF Transmit Level Twist Field 2 dBm 2 dBm 2 dBm 2 dBm
DTMF Transmit On Field 50 ms 50 ms 70 ms 80 ms
DTMF Transmit Speed (digits/sec) Field 10 10 7 6
E1 Framing Mode Field CRC Double Double Double
E1 Hit Filter (1 unit = 2 ms) Field 5 units 5 units 5 units 5 units
E1 Timeslot 0 Word Field 1101 1111 1101 1111 1101 1111 1101 1111
E1 Timeslot 16 Word Field 0000 1011 0000 1011 0000 1011 0000 1011
Hand Shake Threshold Field 6000 ms 6000 ms 6000 ms 6000 ms
Idle Channel Code Field E1 E1 UK/Italy UK/Italy
Interdigit Pause Receive Field 600 ms 600 ms 600 ms 400 ms
Interdigit Pause Transmit Field 1000 ms 1000 ms 1000 ms 1000 ms
ISDN T1-NFAS Support Field No No No No
ISDN Trunk Identifier Admin 0 0 0 0
Maximum Playback Level Field -15 dBm -15 dBm -15 dBm -10 dBm
Maximum Silence Duration Field 12000 ms 12000 ms 12000 ms 10000 ms
Maximum Silence Level (1 unit = 0.5 dBm) Field -99 units -99 units -99 units -95 units
MFR1 Receive Level Field -50 dBm -50 dBm -50 dBm -50 dBm
Minimum Speech Level (1 unit = 0.5 dBm) Field -81 units -81 units -81 units -81 units
Music Absolute Silence Threshold Field -50 dBm -50 dBm -50 dBm -50 dBm
Music Channels Maximum Admin 1 1 1 1
Operating Status Admin Defined Defined Defined Defined
Record DTMF Level Admin -43 dBm -43 dBm -43 dBm -43 dBm
Send RAI Field No No No No
Settle Time Field 2000 ms 2000 ms 2000 ms 2000 ms
Signaling Trunk Identifier Admin — — — —
Switch Encoding Law Field Default Default Default Default
Switch Type Admin Default Default Mercury (UK) Italy PSTN CAS
T1 Bit Robbing Field        
T1 Framing Mode Field        
T1 Hit Filter (1 unit = 1.5 ms) Field        
T1 Line Code Field        
T1 Remote Alarm Format Field        
Trunk Interlock - EDL Admin Disabled Disabled Disabled Disabled
Trunk Signaling Mode Field ISDN CCS-SP CCS-SP CCS-SP
Table 3. Trunk interface: template values (3)
System Parameter Access Level T1 T1 (Aspect) T1 ISDN (XPACK) T1 CCS
Answer Detect Time Field 60 ms 60 ms 60 ms 60 ms
Answer Detect Threshold Field -37 dBm -37 dBm -37 dBm -37 dBm

Automatically Re-Enable After Hardware Failure

 Admin Yes Yes Yes Yes
Backup Time and Erase after DTMF (1 unit = 20 ms) Admin 5 units 5 units 5 units 5 units
CCS Signaling Link Admin     Yes No
CCS Signaling Link Mode Admin None None Primary None
CCS Signaling Link Name Admin        
CCS Signaling Link Timeslot Admin     24  
DP Receive Maximum Break Field 100 ms 100 ms 100 ms 100 ms
DP Receive Minimum Break Field 20 ms 20 ms 20 ms 20 ms
DP Receive Maximum Make Field 60 ms 60 ms 60 ms 60 ms
DP Receive Minimum Make Field 20 ms 20 ms 20 ms 20 ms
DP Transmit Break (ms) Field 60 ms 60 ms 60 ms 60 ms
DP Transmit Speed (pulses/sec) Field 10 10 10 10
DTMF Maximum Receive Level Admin 0 dBm 0 dBm 0 dBm 0 dBm
DTMF Minimum Receive Level Admin -43 dBm -43 dBm -43 dBm -43 dBm
DTMF Transmit Level, Low Frequency Field -7 dBm -7 dBm -8 dBm -7 dBm
DTMF Transmit Level Twist Field 0 dBm 0 dBm 2 dBm 0 dBm
DTMF Transmit On Field 50 ms 50 ms 50 ms 50 ms
DTMF Transmit Speed (digits/sec) Field 10 10 10 10
E1 Framing Mode Field        
E1 Hit Filter (1 unit = 2 ms) Field        
E1 Timeslot 0 Word Field        
E1 Timeslot 16 Word Field        
Hand Shake Threshold Field 6000 ms 6000 ms 6000 ms 6000 ms
Idle Channel Code Field T1 T1 T1 T1
Interdigit Pause Receive Field 280 ms 280 ms 600 ms 600 ms
Interdigit Pause Transmit Field 1000 ms 1000 ms 1000 ms 1000 ms
ISDN T1-NFAS Support Field No No No No
ISDN Trunk Identifier Admin 0 0 0 0
Maximum Playback Level Field -15 dBm -15 dBm -15 dBm -15 dBm
Maximum Silence Duration Field 12000 ms 12000 ms 12000 ms 12000 ms
Maximum Silence Level (1 unit = 0.5 dBm) Field -99 units -99 units -99 units -99 units
MFR1 Receive Level Field -50 dBm -50 dBm -50 dBm -50 dBm
Minimum Speech Level (1 unit = 0.5 dBm) Field -81 units -81 units -81 units -81 units
Music Absolute Silence Threshold Field -50 dBm -50 dBm -50 dBm -50 dBm
Music Channels Maximum Admin 1 1 1 1
Operating Status Admin Defined Defined Defined Defined
Record DTMF Level Admin -43 dBm -43 dBm -43 dBm -43 dBm
Send RAI Field No Yes No No
Settle Time Field 15000 ms 15000 ms 2000 ms 15000 ms
Signaling Trunk Identifier Admin        
Switch Encoding Law Field Default Default Default Default
Switch Type Admin Default Default Default Default
T1 Bit Robbing Field Yes Yes No No
T1 Framing Mode Field D3/D4 D3/D4 ESF D3/D4
T1 Hit Filter (1 unit = 1.5 ms) Field 7 units 7 units 7 units 7 units
T1 Line Code Field AMI AMI B8ZS B8ZS
T1 Remote Alarm Format Field RAI via bit 2=0 in every channel RAI via bit 2=0 in every channel RAI via FS bit of frame 12 RAI via bit 2=0 in every channel
Trunk Interlock - EDL Admin Disabled Disabled Disabled Disabled
Trunk Signaling Mode Field CAS CAS ISDN CCS-SP