1. 2017-08-01 Re: [asterisk-dev] Feature discussion: extract REFER asterisk- Kirill Katsnelson 2. 2017-08-01 Re: [asterisk-dev] Feature discussion: extract REFER asterisk- Richard Mudgett 3. 2017-07-28 [asterisk-dev] Feature discussion: extract REFER head asterisk- Kirill Katsnelson