Ribbon Communications Inc - Ordinary Shares 8-K Sonus Networks Reports 2013 Fourth Quarter and Full Year Results

Exhibit 99.2

Sonus Networks, Inc.

Supplementary  Financial and Operational Data

$(000s)	FY13		Q413		Q313		Q213		Q113		FY12		Q412		Q312		Q212		Q112
Revenue
Product	167,272		45,825		40,712		42,939		37,796		153,326		45,809		33,520		32,586		41,411
Services	109,461		30,328		27,387		26,254		25,492		100,808		29,327		23,529		25,024		22,928
Total Revenue	276,733		76,153		68,099		69,193		63,288		254,134		75,136		57,049		57,610		64,339
SBC Revenue
Product	97,431		32,161		21,311		20,449		23,510		67,641		20,573		20,394		13,523		13,151
SBC as % Total Product Revenue	58	%	70	%	52	%	48	%	62	%	44	%	45	%	61	%	41	%	32	%
Services	32,491		9,437		8,030		8,559		6,465		19,945		5,516		5,051		5,566		3,812
SBC Revenue	129,922		41,598		29,341		29,008		29,975		87,586		26,089		25,445		19,089		16,963
SBC as % Total Revenue	47	%	55	%	43	%	42	%	47	%	34	%	35	%	45	%	33	%	26	%
% of Total Revenue	FY13		Q413		Q313		Q213		Q113		FY12		Q412		Q312		Q212		Q112
Revenue
Product	60	%	60	%	60	%	62	%	60	%	60	%	61	%	59	%	57	%	64	%
Services	40	%	40	%	40	%	38	%	40	%	40	%	39	%	41	%	43	%	36	%
SBC Revenue
Product	75	%	77	%	73	%	70	%	78	%	77	%	79	%	80	%	71	%	78	%
Services	25	%	23	%	27	%	30	%	22	%	23	%	21	%	20	%	29	%	22	%
Revenue by Geography
Domestic	69	%	66	%	66	%	74	%	69	%	68	%	51	%	76	%	73	%	75	%
International	31	%	34	%	34	%	26	%	31	%	32	%	49	%	24	%	27	%	25	%
% of Product Revenue	FY13		Q413		Q313		Q213		Q113		FY12		Q412		Q312		Q212		Q112
Revenue by Channel
Direct	80	%	81	%	73	%	84	%	83	%		*		*		*		*		*
Indirect	20	%	19	%	27	%	16	%	17	%		*		*		*		*		*
Operating Statistics	FY13		Q413		Q313		Q213		Q113		FY12		Q412		Q312		Q212		Q112
10% Customers
Number of 10% customers	1		1		1		2		2		1		1		1		1		3
Name of 10% customers	AT&T		CenturyLink		AT&T		AT&T Verizon		US Gov’t AT&T		AT&T		SoftBank		Level 3		AT&T		AT&T Verizon SoftBank
Top 5 Customers as % of Revenue	39	%	43	%	36	%	47	%	50	%	48	%	45	%	41	%	54	%	66	%
Number of Total Customers**			580		560		539		541				504		403		123		117
Number of New Customers**	670		146		171		190		163		230		180		40		6		4
Number of New Customers** with SBC Content	552		122		131		161		138		*		130			*		*		*

* Not historically provided.

**Customer Count reflects end customer and excludes customers with maintenance only revenue of less than $5k on a quarterly basis.