Ribbon Communications Inc - Ordinary Shares 8-K Results of Operations and Financial Condition

Exhibit 99.1

Sonus Networks

Supplementary  Financial and Operational Data

GAAP	Q312						Q212		Q112		Q411		Q311		Q211		Q111
$(000s)	Sonus		NET(1)		Consolidated		Sonus-only
Revenue
Product	27,658		5,862		33,520		32,586		41,411		47,082		41,892		29,446		35,953
Services	22,213		1,316		23,529		25,024		22,928		27,190		24,461		22,326		31,346
Total Revenue	49,871		7,178		57,049		57,610		64,339		74,272		66,353		51,772		67,299
SBC Revenue
Product	18,556		1,838		20,394		13,523		13,151		17,466		10,398		7,671		2,332
SBC as % Total Product Revenue	67	%	31	%	61	%	41	%	32	%	37	%	25	%	26	%	6	%
Services	4,959		92		5,051		5,566		3,812		5,009		3,466		3,145		2,490
SBC Revenue	23,515		1,930		25,445		19,089		16,963		22,475		13,864		10,816		4,822
SBC as % Total Revenue	47	%	27	%	45	%	33	%	26	%	30	%	21	%	21	%	7	%
Revenue by Geography
Domestic	38,680		5,018		43,698		42,082		48,419		50,070		42,211		40,440		24,334
International	11,191		2,160		13,351		15,528		15,920		24,202		24,142		11,332		42,965
Total Revenue	49,871		7,178		57,049		57,610		64,339		74,272		66,353		51,772		67,299

%	Sonus		NET(1)		Consolidated		Q212		Q112		Q411		Q311		Q211		Q111
Revenue									��
Product	55	%	82	%	59	%	57	%	64	%	63	%	63	%	57	%	53	%
Services	45	%	18	%	41	%	43	%	36	%	37	%	37	%	43	%	47	%
SBC Revenue
Product	79	%	95	%	80	%	71	%	78	%	78	%	75	%	71	%	48	%
Services	21	%	5	%	20	%	29	%	22	%	22	%	25	%	29	%	52	%
Revenue by Geography
Domestic	78	%	70	%	76	%	73	%	75	%	67	%	64	%	78	%	36	%
International	22	%	30	%	24	%	27	%	25	%	33	%	36	%	22	%	64	%

Operating Stats	Sonus	NET(1)	Consolidated		Q212		Q112		Q411		Q311		Q211		Q111
10% Customers
Number of 10% customers			1		1		3		3		1		2		1
Name of 10% customers			Level 3		AT&T		AT&T		CenturyLink		AT&T		AT&T		BAH Tel
							Verizon		SoftBank				CenturyLink
							SoftBank		Verizon
Top 5 Customers as % of Revenue			41	%	54	%	66	%	55	%	52	%	46	%	72	%
Number of Total Customers	132	271	403		123		117		115		107		98		103
Number of New Customers	11	29	40		6		4		12		8		0		1

Note:

(1) Q312 NET reflects a partial period from 08/24/2012, the date of the transaction close, through the end of the third quarter, 09/28/2012.