Gateway# show isdn status

Cisco Systems Cisco AS5350, Cisco AS5400 Gateway# show isdn status, Gateway# show isdn service

Framing is ESF, Line Code is B8ZS, Clock Source is Line. Data in current interval (264 seconds elapsed):

3 Line Code Violations, 1 Path Code Violations

5 Slip Secs, 0 Fr Loss Secs, 1 Line Err Secs, 1 Degraded Mins

5 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs

•Enter the show isdn status command to view layer status information:

Global ISDN Switchtype = primary-5ess ISDN Serial1/0:1:23 interface

dsl 0, interface ISDN Switchtype = primary-5ess Layer 1 Status:

ACTIVE Layer 2 Status:

TEI = 0, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED Layer 3 Status:

0 Active Layer 3 Call(s) Activated dsl 0 CCBs = 0

The Free Channel Mask: 0x807FFFFF

•Monitor ISDN channels and service by entering the show isdn service command:

Gateway# show isdn service

PRI Channel	Statistics:
ISDN Se3/0:23,		Channel				[1-24]
Configured Isdn Interface (dsl) 0
Channel State			(0=Idle				1=Proposed 2=Busy								3=Reserved 4=Restart 5=Maint_Pend)
Channel	:	1	2	3	4	5	6	7	8	9 0	1	2	3	4	5	6	7	8	9	0	1 2	3	4
State	:	0	0	0	0	0	0	0	0	0 0	0	0	0	0	0	0	0	0	0	0	0 0	0	3
Service State			(0=Inservice 1=Maint 2=Outofservice)
Channel	:	1	2	3	4	5	6	7	8	9 0	1	2	3	4	5	6	7	8	9	0	1 2	3	4
State	:	0	0	0	0	0	0	0	0	0 0	0	0	0	0	0	0	0	0	0	0	0 0	0	2
.
.

Note Your Cisco AS5350 or Cisco AS5400 supports a total of 248 ISDN channels per ingress DFC. If you are configuring individual T1 channels of your CT3 for backup links or serial backhaul connections, the CT1s must be configured into channel-groups—each channel-group using 24 time slots or channels. For example, to configure 6 CT1s (6x24), 144 ISDN channels are in use, leaving a remainder of 104 (248–144) channels for ISDN use.

In the following show running-configexample, five CT1s are configured into channel-groups:

Gateway# show running-config

Building configuration...

Current configuration:

!Last configuration change at 15:49:30 UTC Mon Apr 3 2000 by admin

!NVRAM config last updated at 01:35:05 UTC Fri Mar 17 2000 by admin

version 12.0

service timestamps debug datetime msec localtime show-timezone service timestamps log datetime msec localtime show-timezone service password-encryption

---text omitted---

controller T3 1/0 framing m23 clock source line t1 1-28 controller

Cisco AS5400, Cisco AS5350 specifications

Cisco Systems is a global leader in networking and telecommunications technology, and its AS5350 and AS5400 models are prominent offerings in their product line. These devices cater primarily to service providers and large enterprises looking for advanced VoIP, data, and multimedia capabilities.

The Cisco AS5350 is a versatile voice gateway that supports a wide range of protocols including VoIP and PSTN (Public Switched Telephone Network). Designed for scalability, it can handle numerous simultaneous calls, making it an ideal solution for businesses that require robust communication systems. Some of its main features include built-in support for various signaling protocols such as SIP (Session Initiation Protocol) and H.323, which allow seamless integration with existing networks. Additionally, the AS5350 is equipped with high-density digital signal processors (DSPs) that enable efficient call processing and transcoding, ensuring high-quality voice transmission.

On the other hand, the Cisco AS5400 takes this functionality a step further by offering enhanced capabilities suited for more demanding environments. It supports both voice and data services, allowing service providers to deliver a comprehensive solution that includes voice calls, multimedia applications, and broadband services. The AS5400 features a modular design, allowing users to adapt the device to specific needs by adding or removing modules as required. This modularity enhances flexibility and future-proofs the system against evolving technology demands.

Both the AS5350 and AS5400 incorporate advanced security features to protect sensitive communications and data. Features such as encryption, secure signaling, and network access controls are essential for enterprises looking to safeguard their operations in an increasingly vulnerable digital landscape. These gateways also support Quality of Service (QoS) protocols, ensuring that voice traffic is prioritized over other types of data, thereby maintaining call clarity even in times of high data demand.

In conclusion, the Cisco AS5350 and AS5400 are compelling solutions that showcase Cisco's commitment to delivering reliable and high-performance telecommunications devices. By offering state-of-the-art technology, robust features, and a modular approach to scalability, businesses and service providers can ensure they remain competitive in the ever-evolving telecommunications landscape. Whether it is for voice, data, or multimedia applications, these gateways deliver the performance and flexibility needed to meet current and future challenges.