Recording both ends of a telephony call is necessary in order to stream and record a live, interactive webcast. This is usually the trickiest part of webcasting as most systems are not set up to record your voice and those on the other end of the call.

If you want to record a telephony call without streaming it to via the shoutcast server, you can use a number of skype 'extras',  3rd party recording programs, or telephony programs that support recording.  Please note, this will not be adequate to stream both ends of a telephony call.  It will only allow you to record the conversation and record it later.

  Telephony Programs that support recording:  Gizmo , ooVoo (premium version)

  Other Programs & Guides

WINDOWS	MAC
Programs Mp3-wma-recorder PrettyMay CallGraph Evoca Freecorder Hot Recorder Pamela PowerGramo Total Recorder VoiceChum SoundTap Guides	Hijack Pro WiretapPro
A two computer method of recording skype calls SkypeJournal Guide to Skype Recording Henshall Guide to Skypecasting	From MacDevCenter From EchoChamber Project

Phone based options:

• Talkshoe - provides a chat interface and automatically records conversations. Can usually telephony to call in to a North American phone number. Long distance rates might apply.
  
• FreeConferenceCall.com - the service we have sometimes used to include teleconferencing in our webcasts, now includes an optional recording option.
  
  

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 If you want to record the conversation and stream it via the Shoutcast server, things get a bit more challenging. Methods vary based on operating system, sound card, and an assortment of other variables, but generally requires either a desktop USB mic or a USB headset that has two separate jacks (one for the mic and one for the earphoens).  It is doable with a 'regular' headset, but thusfar sound quality has poorer and echo issues have been unavoidable. It is also doable using some kind of external mixer, but we have not yet experimented much with that method. 

Resources

• Screenshot video - Basic Streaming with Nicecast (Mac)
• Screenshot video - Basic Streaming with Simplecast & USB mic (Windows)
• Screenshot video - Basic Streaming - No VAC or USB Mic (Windows) not recommended - usually results in echo
  
• Screenshot video - Recording both ends of a telephony call in Windows
• Screenshot video - Virtual Audio Cables Screen shot video here