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A Networker Blog · 1Y ago

DTMF on VoIP

When carrying them on the SIP Network you could probably see the following methods of conveying these tones across: 1.- Inband: DTMF are sent using the same RTP stream  as the media is using, and can be heard by carries in a session. Compression Codecs such as G.729 and G.723 may make tones unintell...
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A Networker Blog · 1Y ago

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A Networker Blog · 1Y ago

Quick Glance @ SDP

SDP is intended to be used for describing multimedia sessions for the purposes of session announcement, session invitation, and other forms of multimedia session initiation. http://www.ietf.org/rfc/rfc2327.txt v=  (protocol version) o=  (owner/creator and session identifier). s=  (session name) i=* ...
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A Networker Blog · 1Y ago

36 @ Sofia!

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A Networker Blog · 1Y ago

SIP – ohh my!!

I am sorry that I haven’t been on  for a very long time,  dealing with lots of work, however today, I just wanted to share an experience about  what people do with SIP,  using any Sip Soft-phone and pointing the proxy address to a router registered in a SIP Trunk, Non Authorized individuals ca...
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A Networker Blog · 2Y ago

MPLS NAT Aware Sample Configurations

  Internet access is perhaps one of the most popular services that Service Providers offer their customers. Customers have flexibility to purchase MPLS VPN services Internet connectivity from separate Service Providers. Customers can alternatively offer Internet connectivity directly from their...
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A Networker Blog · 2Y ago

NEW!! Cisco Integrated Service Routers Generation 2

Check it out!
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A Networker Blog · 2Y ago

IPV6 Anycast

Anycast addresses are taken from the unicast address space, and are not syntactically distinguishable from unicast addresses. Anycast: An identifier for a set of interfaces (typically  belonging to different nodes). A packet sent to an anycast address is delivered to one of the interfaces identified...
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A Networker Blog · 2Y ago

%LDP-4-PWD: MD5 protection is required!

MPLS LDP messages (discovery, session, advertisement, and notification messages) are exchanged between LDP peers through two channels: LDP discovery messages are transmitted as User Datagram Protocol (UDP) packets to the well-known LDP port. Session, advertisement, and notification messages are exch...
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A Networker Blog · 2Y ago

My First EEM Applet Script

Cisco IOS Embedded Event Manager (EEM) is a powerful tool integrated with Cisco IOS Software for system management from within the device itself. EEM offers the ability to monitor events and take informational, corrective, or any desired action when the monitored events occur or when a threshold is ...
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