SDF VoIP Extension Directory

SDF's C*NET NXX is 333 (ex. +1-333-1000 connects you with our Milliwatt)

For listings that have enabled 'Direct VoIP' dial extension (@) sip.sdf.org

Please note that making unsolicited calls may be considered rude

Test and Service Extensions

Extension	Subscriber	Description	24/7
1001	internal	Date and Time UTC	YES
1002	internal	Linear Sine Test from 16Hz to 20kHz	YES
1003	internal	Exponential Sine Test from 16Hz to 20kHz	YES
1004	internal	Milliwatt (1004Hz @ 0dB)	YES
1005	internal	Echo Response Test (USA)	YES
1006	internal	CQ Serenade	YES
1009	internal	IVR Adventure Game	YES
1026	internal	2600Hz @ 0dB	YES
1030	internal	Music on Hold	YES
1085	internal	Voice Mail System	YES
1086	internal	Conference Bridge (no mute)	YES
1088	internal	Conference Bridge (Press #1 to toggle mute)	YES
1929	internal	C*NET Gateway	YES
5004	internal	Milliwatt (1004Hz @ 0dB) (EU)	YES
5005	internal	Echo Response Test (EU)	YES
5085	internal	Voice Mail System (EU)	YES
5088	internal	Conference Bridge (EU) (Press #1 to toggle mute)	YES

Subscriber Extension Directory

Extension UTC +/- Offset Subscriber Description Unsolicited Calls Direct VoIP

1100 -08:00 smj Nokia e70 S60 YES YES

1022 -07:00 developer Blink YES

1057 -06:00 jebug29 X-Lite for Windows YES YES

1058 -05:00 adamd Linphone on Linux YES YES

1066 -07:00 shufei Blink, Linphone YES YES

1084 -04:00 benharri builtin android client YES YES

1087 -04:00 moondoggy Linphone YES YES

1101 -07:00 br Nokia N900, Ekiga YES

1103 +00:00 yargo linphone, Twinkle, etc YES

1106 -06:00 ecelis csipsimple, ekiga YES

1107 -05:00 nsweeney iPhone YES

1111 -08:00 testing testing NO

1112 -08:00 anthonyg Nexus S, Linphone YES YES

1116 +05:30 rmj Blink YES

1118 +01:00 vosi various clients YES

1119 -05:00 carbine Aastra 9133i YES

1120 -05:00 bb Asterisk 1.6 YES

1121 +00:00 jones Various Clients YES

1127 -08:00 alancf Various Clients YES

1130 -07:00 ajgraves Linphone YES

1131 -06:00 wa5pb Ekiga YES

1132 -05:00 tg s60 / Blink YES

1133 -07:00 samos Droid YES

1134 -05:00 slugmax Grandstream GXP2000 YES

1139 -05:00 xcitor Blink SIP Client, HT-502 ATA YES YES

1140 +01:00 wyan iPad, Nexus One YES

1141 -08:00 dhaber YES

1144 +00:00 phm linphone YES

1145 -06:00 xexyz Linphone YES

1146 +11:00 thomask Nokia E63 YES

1151 -06:00 jecxjo Zoiper YES YES

1155 -09:00 ta2 linphone on iPhone YES YES

1159 -06:00 zeptar Blink YES

1165 -04:00 amrowsell Pixel 2 XL, Jami on Linux YES YES

1166 -05:00 grobe0ba Bria on iOS/CSipSimple on Android, via FreeSwitch PBX YES

1169 -06:00 sirmxe Various YES

1174 +00:00 nb0yjxtr Ekiga YES

1177 -06:00 kdavis GS-DP715 YES YES

1192 -07:00 nblade CSipSimple on Android YES YES

1225 -05:00 bac Aastra 9133i YES

1270 -08:00 niro CSipSimple YES YES

1291 +08:00 yupeng speedtouch st780wl YES YES

1313 +00:00 nicknick Grandstream GXP2100 YES YES

1343 +02:00 tisho Linphone on Android YES YES

1359 +12:00 thom Ekiga YES YES

1366 -07:00 dbk Nokia N900 & softphone(s) YES YES

1380 -05:00 thegiant PBXes hosted PBX YES YES

1388 +00:00 irl Asterisk (using FreePBX) YES YES

1399 -08:00 vandys Asterisk YES YES

1423 -08:00 ladams Cisco 7960G YES YES

1460 -08:00 weevie Grandstream Handytone 286, Jitsi, Blink YES YES

1483 -08:00 quintin Obihai OBi1062 YES YES

1504 -06:00 overland Pirelli DP-L10 YES
1517 -05:00 epl692 Grandstream HT503 YES YES

1542 -05:00 handyc Linphone YES YES

1572 -05:00 hobbsc Grandstream DP250/270, Linphone, Cortelco 2500 via Grandstream HT801 YES YES

1584 -05:00 ki Nexus 5, VDV23 YES YES

1605 +01:00 beni This on a FritzBox YES YES

1617 -05:00 webwiz Various YES YES

1632 +00:00 hugh.mayfield Various clients on GNU/Linux and Replicant YES YES

1662 -07:00 slunky Blink, Bria, Hacked VDV23 YES YES

1679 -04:00 michaeldavis Cisco 303 YES

1688 -06:00 dbvelez Linphone iPhone 5s YES

1692 -08:00 nydel blink, Linphone iPhone4s YES YES

1696 -08:00 edgchacon Various YES

1739 -06:00 jasmaz Grandstream HT286 YES

1770 -04:00 cel baresip, Linphone YES YES

1794 -06:00 jwh Linphone YES YES

1795 -08:00 wireddude Linphone YES

1797 -04:00 snowdusk Telephone for Mac OS X, Linphone for iOS YES YES

1799 -04:00 robmusial Various for Linux, *BSD, macOS YES YES

1877 -08:00 nonlinear Various YES YES

1897 -05:00 tomasino Google Pixel, native Android client YES YES

1908 -06:00 mnw Linphone on macOS X YES YES

1913 -05:00 zelbrium Telephone on Mac YES

1917 -08:00 dokuja OBi110 YES YES

1999 +10:00 cat Cisco SPA112 and various Australian phones YES YES

Totally 80s Rewind

Whether it's playing vintage computer games or listening to classic record albums, the meteoric rise of technology is what made the 1980s so transformative. From personal computers to answering machines and arcade cabinets to Walkmans, Living Computers set out to recreate a day in the life of an 80s teenager with Totally 80s Rewind.

Want to call the 80s?

The Bit Zone payphone    (425) 256-7525
The basement desk phone  (425) 256-7518

Private Phone Museum Access

smj and jgw visited a private phone collection, pictures can be seen here. Want to call that switch? Dial 1929 from SDF VoIP then dial any of these:


1-377 -1111     Welcome msg, and General Switch Info
1-377 -2525     Asterisk Time Of Day
1-377 -5000     Common Line in Garage.
1-377 -51xx     120 Ipm tone. All Ckts busy
1-377 -5244     Rings no Phone  24 x 7
1-377 -5252     General Telephone Number
1-377 -5299     Always busy. 60 IPM     24x7
1-377 -5521     1a2 SWFR 3      24 x 7
1-377 -5531     SWFR # 5        24 x 7
1-377 -5536     REAR OF SWFR #4 24 x 7
1-377 -5555     Central office Telephone number 24 x 7
1-377 -5575     Trimline on SWFR #5 24 x 7
1-377 -5611     211 Set mounted on side of #24 Testboard 24 x 
1-377 -5627     Rings no phone 24 x 7
1-377 -5845     Vac Number Intercept 24 x 7
1-377 -5870     Ring, no phone. 24 x 7
1-377 -5888     PATTIS WORK ROOM (code Ring) 24 x 7
1-377 -5911     Tst line on workbench  24 x 7
1-377 -7777     Live Listen In Line to switchroom. (NOT A RECORDING) 24 x 7
1-377 -9901     W E 1C1 Payphone out side of Central Office 24 x 7

$Id: sdf_voip_ext.html,v 1.177 2020/07/03 17:02:08 robmusial Exp $

Extension	UTC +/- Offset	Subscriber	Description	Unsolicited Calls	Direct VoIP
1100	-08:00	smj	Nokia e70 S60	YES	YES
1022	-07:00	developer	Blink	YES
1057	-06:00	jebug29	X-Lite for Windows	YES	YES
1058	-05:00	adamd	Linphone on Linux	YES	YES
1066	-07:00	shufei	Blink, Linphone	YES	YES
1084	-04:00	benharri	builtin android client	YES	YES
1087	-04:00	moondoggy	Linphone	YES	YES
1101	-07:00	br	Nokia N900, Ekiga	YES
1103	+00:00	yargo	linphone, Twinkle, etc	YES
1106	-06:00	ecelis	csipsimple, ekiga	YES
1107	-05:00	nsweeney	iPhone	YES
1111	-08:00	testing	testing	NO
1112	-08:00	anthonyg	Nexus S, Linphone	YES	YES
1116	+05:30	rmj	Blink	YES
1118	+01:00	vosi	various clients	YES
1119	-05:00	carbine	Aastra 9133i	YES
1120	-05:00	bb	Asterisk 1.6	YES
1121	+00:00	jones	Various Clients	YES
1127	-08:00	alancf	Various Clients	YES
1130	-07:00	ajgraves	Linphone	YES
1131	-06:00	wa5pb	Ekiga	YES
1132	-05:00	tg	s60 / Blink	YES
1133	-07:00	samos	Droid	YES
1134	-05:00	slugmax	Grandstream GXP2000	YES
1139	-05:00	xcitor	Blink SIP Client, HT-502 ATA	YES	YES
1140	+01:00	wyan	iPad, Nexus One	YES
1141	-08:00	dhaber		YES
1144	+00:00	phm	linphone	YES
1145	-06:00	xexyz	Linphone	YES
1146	+11:00	thomask	Nokia E63	YES
1151	-06:00	jecxjo	Zoiper	YES	YES
1155	-09:00	ta2	linphone on iPhone	YES	YES
1159	-06:00	zeptar	Blink	YES
1165	-04:00	amrowsell	Pixel 2 XL, Jami on Linux	YES	YES
1166	-05:00	grobe0ba	Bria on iOS/CSipSimple on Android, via FreeSwitch PBX	YES
1169	-06:00	sirmxe	Various	YES
1174	+00:00	nb0yjxtr	Ekiga	YES
1177	-06:00	kdavis	GS-DP715	YES	YES
1192	-07:00	nblade	CSipSimple on Android	YES	YES
1225	-05:00	bac	Aastra 9133i	YES
1270	-08:00	niro	CSipSimple	YES	YES
1291	+08:00	yupeng	speedtouch st780wl	YES	YES
1313	+00:00	nicknick	Grandstream GXP2100	YES	YES
1343	+02:00	tisho	Linphone on Android	YES	YES
1359	+12:00	thom	Ekiga	YES	YES
1366	-07:00	dbk	Nokia N900 & softphone(s)	YES	YES
1380	-05:00	thegiant	PBXes hosted PBX	YES	YES
1388	+00:00	irl	Asterisk (using FreePBX)	YES	YES
1399	-08:00	vandys	Asterisk	YES	YES
1423	-08:00	ladams	Cisco 7960G	YES	YES
1460	-08:00	weevie	Grandstream Handytone 286, Jitsi, Blink	YES	YES
1483	-08:00	quintin	Obihai OBi1062	YES	YES
1504	-06:00	overland	Pirelli DP-L10	YES
1517	-05:00	epl692	Grandstream HT503	YES	YES
1542	-05:00	handyc	Linphone	YES	YES
1572	-05:00	hobbsc	Grandstream DP250/270, Linphone, Cortelco 2500 via Grandstream HT801	YES	YES
1584	-05:00	ki	Nexus 5, VDV23	YES	YES
1605	+01:00	beni	This on a FritzBox	YES	YES
1617	-05:00	webwiz	Various	YES	YES
1632	+00:00	hugh.mayfield	Various clients on GNU/Linux and Replicant	YES	YES
1662	-07:00	slunky	Blink, Bria, Hacked VDV23	YES	YES
1679	-04:00	michaeldavis	Cisco 303	YES
1688	-06:00	dbvelez	Linphone iPhone 5s	YES
1692	-08:00	nydel	blink, Linphone iPhone4s	YES	YES
1696	-08:00	edgchacon	Various	YES
1739	-06:00	jasmaz	Grandstream HT286	YES
1770	-04:00	cel	baresip, Linphone	YES	YES
1794	-06:00	jwh	Linphone	YES	YES
1795	-08:00	wireddude	Linphone	YES
1797	-04:00	snowdusk	Telephone for Mac OS X, Linphone for iOS	YES	YES
1799	-04:00	robmusial	Various for Linux, *BSD, macOS	YES	YES
1877	-08:00	nonlinear	Various	YES	YES
1897	-05:00	tomasino	Google Pixel, native Android client	YES	YES
1908	-06:00	mnw	Linphone on macOS X	YES	YES
1913	-05:00	zelbrium	Telephone on Mac	YES
1917	-08:00	dokuja	OBi110	YES	YES
1999	+10:00	cat	Cisco SPA112 and various Australian phones	YES	YES