please  read this 

may be this will help
https://centos.org/forums/viewtopic.php?f=20&t=20877

On Wed, Dec 24, 2014 at 12:59 AM, George F. Phelps <GeorgePhelps@gfphelps.com> wrote:

Yes, see below:

 

$ yum search speex

Loaded plugins: rhui-lb

================================== N/S matched: speex ==============================

speex.i686 : A voice compression format (codec)

speex.x86_64 : A voice compression format (codec)

 

  Name and summary matches only, use "search all" for everything.

 

$

 

George

 

From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of David Villasmil Govea
Sent: Tuesday, December 23, 2014 2:49 PM
To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] No package speex-devel available.

 

Hello,

Did you search?

Regards,

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