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Phone Line Metrics

Phone line metrics graph

Phone System	Phone Lines by Date - 2013
Phone System	Jan 2013	Feb 2013	Mar 2013	Apr 2013	May 2013
Centrex	12,699	12,667	12,609	12,310	12,197
Connally PBX	725	721	675	675	653
VoIP	3,594	3,668	3,756	4,152	4,228
*Total Phone Lines*	17,018	17,056	17,040	17,137	17,078

Phone System	Phone Lines by Date - 2012
Phone System	Jul 2012	Aug 2012	Sep 2012	Oct 2012	Nov 2012	Dec 2012
Centrex	13,168	13,038	13,040	13,044	12,853	12,814
Connally PBX	713	727	733	734	734	728
VoIP	3,151	3,274	3,264	3,299	3,407	3,494
*Total Phone Lines*	17,032	17,039	17,037	17,077	16,994	17,036

Phone System	Phone Lines by Date - 2012
Phone System	Jan 2012	Feb 2012	Mar 2012	Apr 2012	May 2012	June 2012
Centrex	14,088	14,241	13,366	13,322	13,290	13,254
Connally PBX	755	740	736	734	729	725
VoIP	2,962	3,047	2,992	3,004	3,041	3,116
*Total Phone Lines*	17,805	18,028	17,094	17,060	17,060	17,095

Phone System	Phone Lines by Date - 2011
Phone System	Jul 2011	Aug 2011	Sep 2011	Oct 2011	Nov 2011	Dec 2011
Centrex	15,220	15,054	14,762	14,698	14,365	14,076
Connally PBX	846	849	842	825	825	774
VoIP	1,945	2,017	2,084	2,059	2,179	2,461
*Total Phone Lines*	18,011	17,920	17,688	17,582	17,369	17,311

Phone System	Phone Lines by Date - 2011
Phone System	Jan 2011	Feb 2011	Mar 2011	Apr 2011	May 2011	Jun 2011
Centrex	16,613	16,281	16,299	15,879	15,916	15,655
Connally PBX	891	891	890	852	850	846
VoIP	1,158	1,194	1,388	1,478	1,618	1,830
*Total Phone Lines*	18,662	18,366	18,577	18,209	18,384	18,331

Phone System	Phone Lines by Date - 2010
Phone System	Jul 2010	Aug 2010	Sept 2010	Oct 2010	Nov 2010	Dec 2010
Centrex	17,658	17,545	17,403	17,084	17,591	16,803
Connally PBX	1,000	1,000	912	912	904	892
VoIP	896	1,062	1,113	1,097	1,151	1,140
*Total Phone Lines*	19,554	19,607	19,428	19,093	19,646	18,835

Phone System	Phone Lines by Date - 2010
Phone System	Jan 2010	Feb 2010	Mar 2010	Apr 2010	May 2010	Jun 2010
Centrex	18,368	18,269	18,187	18,087	18,013	17,901
Connally PBX	996	995	1,005	1,004	1,001	992
VoIP	604	717	772	860	853	892
Total Phone Lines	19,968	19,981	19,964	19,951	19,867	19,785

Phone System	Phone Lines by Date - 2009
Phone System	May 2009	Jun 2009	Jul 2009	Aug 2009	Sept 2009	Oct 2009	Nov 2009	Dec 2009
Centrex	19,025	19,096	19,229	18,918	19,018	18,797	18,451	18,436
Connally PBX	998	1,026	998	983	998	992	1,010	992
VoIP	70	69	69	69	68	223	265	485
Total Phone Lines	20,093	20,191	20,296	19,970	20,084	20,012	19,726	19,913