Archive for the ‘BroadWorks’ Category

Comfort Noise (RFC 3389) is the noise played in an RTP stream to prevent a user form hearing total silence on the connection. Not all telephony systems have the ability to play music while a party is on hold.  Without Comfort Noise (CN) the party on hold may think the connection dropped. Starting with ECZ740 the Acme […]

Often times when deploying network monitoring probes they are passive devices tapped into the network using port spans, also known as port mirroring. Since the Acme Packet SBC is acting as a SIP b2bua and sees all SIP traffic it also has the ability to act as a probe without the need for port spans […]

The Acme Packet SBC is now on ACLI 7.3 code. Since the release of 7.x there have been a number of new enhancements. One of the most useful new features is Advanced Logging. This is like getting debug output in a log file without having to enable full debug. By setting a condition (or set of […]

The Acme Packet SBC supports the ability to load balance SIP traffic several difference ways. Simply stated, a SIP invite will ingress to the SBC. The SBC will lookup the destination and if it results in a Session Agent Group (SAG) configuration with 2 or more Session Agents, the SBC will egress the SIP invite […]

The grep tool is a very popular Unix command line utility used to match a regular expression. Although “grep” doesn’t specifically exist on the Acme Packet SBC the find command serves a similar purpose.  This feature was introduced in ACLI release 6.4. NNOS-SD# find [configuration | running-config | command]  [attribute] NNOS-SD# find ? <string>    […]

The tail program is available on Unix operating systems and is used to view the tail end of  a text file or piped data. Once tail is running for a particular log file, and as the log file get populated with new data, the newly populated content is displayed on the screen real-time. This saves […]

With the recent release of the Acme Packet E-CX 6.4m2 software the SBC now supports Remote Survivability. This is applicable in both a Service Provider Hosted IP PBX environment and Enterprises with large remote office using SIP phones that register to an IP PBX in a centralized Data Center model. In this example I will […]

This short tip tends to slip through the cracks sometimes. If you prefer not to have your SBC output display all at once simply enable the more ACLI element. Also, you can display just the specific show run element you are looking for. The example below will show whatever local-policy elements are configured on the system. […]

This is a  short update but should make a lot folks in the Service Provider world happy. Many people started using the web GUI based SIP Monitoring & Tracing feature in S-CX 6.3 noticed it was removed from S-CX 6.4. Note that S-CX is the Service Provider stream of code. SIP Monitoring & Tracing remained […]

The Acme Packet SBC includes support for Early Media Suppression. This allows you to decide what Realms can and cannot support Early Media and in what direction Early Media is allowed. Taking it one step further, the Acme Packet SBC also supports Selective Early Media Suppression. This means that even if a realm is configured […]