I confirm it is definitevely slow. I will open a ticket to see if something is wrong.
Just as reference:
[root@centralino ~]# wget "http://downloads.sourceforge.net/project/elastix/Elastix%20PBX%20Appliance%20Software/2.4.0/Elastix-2.4.0-Stable-x86_64-bin-04feb2013.iso?r=http%3A%2F%2Fsourceforge.net%2Fprojects%2Felastix%2Ffiles%2FElastix%2520PBX%2520Appliance%2520Software%2F2.4.0%2F&ts=1377188051&use_mirror=kent"
--2013-08-22 16:15:31-- http://downloads.sourceforge.net/project/elastix/Elastix%20PBX%20Appliance%20Software/2.4.0/Elastix-2.4.0-Stable-x86_64-bin-04feb2013.iso?r=http%3A%2F%2Fsourceforge.net%2Fprojects%2Felastix%2Ffiles%2FElastix%2520PBX%2520Appliance%2520Software%2F2.4.0%2F&ts=1377188051&use_mirror=kent
Resolving downloads.sourceforge.net... 216.34.181.59
Connecting to downloads.sourceforge.net|216.34.181.59|:80... connected.
HTTP request sent, awaiting response... 302 Found
Location: http://kent.dl.sourceforge.net/project/elastix/Elastix%20PBX%20Appliance%20Software/2.4.0/Elastix-2.4.0-Stable-x86_64-bin-04feb2013.iso [following]
--2013-08-22 16:15:31-- http://kent.dl.sourceforge.net/project/elastix/Elastix%20PBX%20Appliance%20Software/2.4.0/Elastix-2.4.0-Stable-x86_64-bin-04feb2013.iso
Resolving kent.dl.sourceforge.net... 212.219.56.185
Connecting to kent.dl.sourceforge.net|212.219.56.185|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 687478784 (656M) [application/octet-stream]
Saving to: `Elastix-2.4.0-Stable-x86_64-bin-04feb2013.iso'
11% [=================> ] 75,815,549 --.-K/s in 46m 51s
2013-08-22 17:02:23 (26.3 KB/s) - Read error at byte 75815549/687478784 (Connection timed out). Retrying.
--2013-08-22 17:02:24-- (try: 2) http://kent.dl.sourceforge.net/project/elastix/Elastix%20PBX%20Appliance%20Software/2.4.0/Elastix-2.4.0-Stable-x86_64-bin-04feb2013.iso
Connecting to kent.dl.sourceforge.net|212.219.56.185|:80... connected.
HTTP request sent, awaiting response... 206 Partial Content
Length: 687478784 (656M), 611663235 (583M) remaining [application/octet-stream]
Saving to: `Elastix-2.4.0-Stable-x86_64-bin-04feb2013.iso'
24% [++++++++++++++++++======================> ] 169,714,426 218K/s in 25m 31s
2013-08-22 17:27:55 (59.9 KB/s) - Read error at byte 169714426/687478784 (Connection reset by peer). Retrying.
--2013-08-22 17:27:57-- (try: 3) http://kent.dl.sourceforge.net/project/elastix/Elastix%20PBX%20Appliance%20Software/2.4.0/Elastix-2.4.0-Stable-x86_64-bin-04feb2013.iso
Connecting to kent.dl.sourceforge.net|212.219.56.185|:80... connected.
HTTP request sent, awaiting response... 206 Partial Content
Length: 687478784 (656M), 517764358 (494M) remaining [application/octet-stream]
Saving to: `Elastix-2.4.0-Stable-x86_64-bin-04feb2013.iso'
25% [+++++++++++++++++++++++++++++++++++++++++ ] 172,822,934 524B/s in 12m 49s
2013-08-22 17:40:54 (3.95 KB/s) - Connection closed at byte 172822934. Retrying.
--2013-08-22 17:40:57-- (try: 4) http://kent.dl.sourceforge.net/project/elastix/Elastix%20PBX%20Appliance%20Software/2.4.0/Elastix-2.4.0-Stable-x86_64-bin-04feb2013.iso
Connecting to kent.dl.sourceforge.net|212.219.56.185|:80... connected.
HTTP request sent, awaiting response... 206 Partial Content
Length: 687478784 (656M), 514655850 (491M) remaining [application/octet-stream]
Saving to: `Elastix-2.4.0-Stable-x86_64-bin-04feb2013.iso'
82% [+++++++++++++++++++++++++++++++++++++++++===============================================================================================> ] 566,197,850 2.75K/s eta 13m 57s
So many errors and hours to download one ISO. Please consider that the host is sourceforge.
In the meantime, the ssh connection was lagged, sometimes I've to wait several seconds just for typing in.
Anyone can installing elastix 2.5 on Digitalocean?
http://www.taringa.net/post/info/17844407/Instalar-Elastix-2-4-en-CentOS-5-8.html
The manual is done in my Spanish language, translate only a few years ago droplets install elastix